⑴ 仁爱英语八下Unit6 Topic2 sectionD 的课件有吗
Unit 6 Enjoying Cycling
(Topic 2 How about exploring the Ming Tombs.)
--------------------------------------------------------------------------------
一周强化
一、一周知识概述
本话题以中国的十三陵为话题展开故事情节，先是邀请，接着去郊游，对明十三陵进行描述，从而引出方向及方位词。通过十三陵不同位置来练习方位词，练习写日志以及旅行的感受。由after, before, when, not…until, while, as, as soon as引导的时间状语从句是该部分的语法重点。通过本话题的学习，主要掌握以下知识：
1．重点词汇和短语：
receive, perfect, camp, mark, east, eastern, north, tour, space, step, push, direction, notice, sight, huge, beside, sadly, satisfied, guard; on vacation度假, make a plan to do sth.计划做某事, come along with跟随, go camping去野营, at the foot of…在……脚下, make sure确定, in the south/north/east/west of...在……南/北/东/西部, to the south/north/east/west of…在……南/北/东/西方, be surprised at…对……感到惊讶, in all directions四面八方, out of sight看不见/在视野之外, can’t help doing忍不住, be satisfied with对……感到满意, here and there在各处/到处, ask sb. for help向某人求助
2．语法：方位介词in/on/to的用法及时间状语从句的用法
3．重点句型：
（1）Would you like to come to China for your vacation?
（2）Why not explore Beijing on our bicycles?
（3）I am looking forward to meeting him.
（4）After they rode their bikes for two hours and a half, Kangkang, Michael and Darren arrived at the Ming Tombs.
（5）As they were exploring happily, the crowd of people became larger and larger.
（6）While the crowd was pushing him in all directions, someone stepped on Darren’s toes.
（7）When Darren finally pushed his way out, he noticed his friends were both out of sight.
（8）He didn’t raise his head until someone called him.
（9）As soon as the three boys saw each other, they all jumped up and down happily.
（10）Then we rode to the Ming Tombs after we checked our bikes and backpacks.
（11）While we were having fun exploring, I realized Darren was lost.
（12）What a special trip!
二、重难点知识讲解
1．How about exploring the Ming Tombs?
[译文]去考察十三陵如何？
explore v.考察(某地区)，探险；勘察
e.g.He went out to explore.
他出去考察去了。
Have you really explored your nearest town?
你真的考察了离你们那儿最近的城镇了吗？
词性变化：explorern.探险家，探测者
How about…?为提建议句型，about为介词，后面跟动词时要跟动词的ing形式。
2．While you were enjoying your trip, I was busy preparing for my exams.
[译文]你在愉快地游玩时，我正忙着准备考试呢。
（1）这是一个由连词while引导的时间状语从句。当一个动作正在进行时，另一个动作也同时在发生，有对比的意味，一般主从句时态都用现在进行时或过去进行时。
e.g.I was doing my homework while Mom was cooking.
妈妈做饭时，我在做作业。
时间状语从句可以放在前面也可以放在后面。
e.g.While Mom was cooking, I was doing my homework.
妈妈做饭时，我在做作业。
需要注意的是：从句在前面时，主从句之间要用逗号隔开。
（2）be busy doing…意为“忙于做……”。
e.g.He is busy finding a job these days.
这几天他都忙着找工作。
He was soon busy reading his English book .
他很快就忙着阅读他的英语课本了。
Everyone here is busy getting ready for Christmas .
这儿每一个人都在忙着为圣诞节作好准备。
be busy with也表示“忙于做某事”，但后面只能接名词，不能接v.-ing形式。
e.g.He is busy mending his bike .
＝He is busy with his bike .
他正忙着修自行车。
3．You bet!
[译文]当然！
You bet!表示“当然，的确”。
e.g.— Are you nervous? 你紧张吗？
— You bet! 这还用说？
4．It would be great fun.
[译文]那会很有趣。
would再此意为“一定会；就会”，是情态动词，后接动词原形表示猜测。
e.g.She would look nice with short hair.
她留短发会很好看。
That would be very interesting.
那一定会很有趣。
5．In the old days, only the emperors could ride horses through it.
[译文]在过去，只有皇帝可以骑马通过此门。
（1）in the old days意为“在古代”，days意为“时代，时期，时候”，需用复数形式。
e.g.in my school days 在我读书的时代
（2）through为介词，有“通过，经过”之意，不能作谓语，必须和动词连用，同across。但across多指从物体表面穿过，而through用于从物体内部穿过。
e.g.The river goes through the city.
那条河流经这个城市。
go across the road=cross the road过马路
6．They surveyed the area to make sure their tombs faced south and had mountains at the back.
[译文]他们仔细勘测了整个区域，确保这些陵墓是坐北朝南， 而且背靠群山。
（1）make sure意为“确保，弄清楚”。
e.g.Make sure all the windows are closed before you leave.
离开之前，确保所有的窗户都关上了。
（2）face在这里用作动词，意为“面对，面向”。
e.g.My house faces the park.
我的房子面对公园。
7．They are at the foot of the Tianshou Mountains, in the northwest of Beijing.
[译文]它们在天寿山脚下，位于北京西北部。
（1）英语中的方位
注意：英语中东南、东北、西南、西北的表达分别是southeast，northeast，southwest和northwest。
（2）in，on，to表示方位的区别
①“in the+方位词+of…”用于在某一范围内的地区。
e.g.Beijing is in the north of China.
北京在中国北部。(北京在中国范围内)
②“on the+方位词+of...”用于相互接壤且互不管辖的两个地区。
e.g.Guangdong is on the south of Hunan.
广东在湖南南边。
③“to the+方位词+of...”用于互不接壤且互不管辖的两个地区。
e.g.The swimming pool is to the west of the house.
游泳池在房子的西边(不接壤)。
总结：in表示在某一地区之内的方位（属于该范围）。on表示与某一地区的毗邻关系。to表示在某一地区之外的某方位（不属于该范围）。它们所表示的位置关系恰似数学中圆的“包含（in）、相离（to）、相切（on）”关系。
8．After they parked their bikes, they walked through the passage into Dingling and were surprised at the wonders.
[译文]他们停好自行车后，穿过通道走进定陵，对那里的奇观感到很惊奇。
be surprised at…意为“对……感到惊奇”。
e.g.He is surprised at dragons.
他对龙感到惊奇。
be surprised to do…意为“惊奇地(做)……”。
e.g.She was surprised to find she was lost.
她惊奇地发现自己迷路了。
wonder n. 惊奇，惊讶，惊叹；奇观；奇迹
e.g.Where is the sense of wonder we felt when we were younger?
我们小时候的惊奇感哪里去了？
the Seven Wonders of the World 世界七大奇迹
wonder还可以用作动词，意为“对……疑惑，感到惊奇；想知道”。
e.g.I wonder what we can do to help Lily.
我想知道我们怎样做才能帮助莉莉。
wonderful是在wonder后加-ful构成的形容词，意为“了不起的，美妙的”。
e.g.It was a wonderful place for a picnic.
这是野餐的绝佳地点。
9．While the crowd was pushing him in all directions, someone stepped on Darren’s toes.
[译文]当人群从四面八方挤来时，有人踩到了Darren的脚指头。
（1）step on sth.意为“踏/踩某物”。
e.g.Don’t step on the flowers and grass.
不要践踏花草。
（2）push此处为“挤来挤去，推推搡搡”之意。
e.g.People were pushing to get to the front.
人们推推搡搡，向前面挤。
（3）direction为名词，意为“方向”，in the direction of...意为“朝……方向”。in one’s direction意为“朝着某人的方向”。
e.g.In which direction are you going, north or south?
你准备往哪个方向走？向北还是向南？
10．When Darren finally pushed his way out, he noticed his friends were both out of sight. He was too frightened to know what to do.
[译文]当达伦最后（从人群中）挤出来时，发现他的两个朋友都不见了。他很害怕，不知道该怎么办。
（1）out of sight意为“看不见”。
e.g.The house was out of sight behind a wall.
房子被墙遮住看不见了。
Keep out of my sight.
不要让我看见你。
（2）too frightened to know what to do意为“很害怕，不知道该怎么办”。too… to… 意为“太……而不能……，太……以至于不……”，表达否定意义。too后接形容词或副词，to后接动词原形，too… to…能用so… that…或enough to替换。
e.g.He is too excited to say a word.
=He is so excited that he can’t say a word.
他太激动以至于说不出话来。
The child is too young to go to school.
这孩子年龄太小而不能去上学。
=The child is not old enough to go to school.
（注意此时的形容词为too...to结构中形容词的反义词。）
=The child is so young that he can’t go to school.
11．He didn’t raise his head until someone called him.
[译文]直到有人喊他他才抬起头。
（1）not… until…意为“直到……才……”，引导时间状语从句。
e.g.He didn’t go to bed until he finished his work.
直到做完作业他才上床睡觉。
（2）raise意为“筹集；提起；使升高；饲养”，及物动词，能直接跟宾语。
e.g. raise money 筹钱
raise one’s head抬头
raise one’s hand举手
12．While we were having fun exploring, I realized Darren was lost.
[译文]正当我们兴致勃勃地考察时，我意识到达伦不见了。
have fun exploring表示“有趣地考察、兴致勃勃地考察”。
have fun (in) doing sth.表示“从……中获得乐趣”。
e.g.He has fun playing soccer.
他从踢球中获得乐趣。
三、语法点拨——时间状语从句
时间状语从句是表示时间关系的从句。在时间状语从句中，要注意时态一致。一般情况下，主句是一般将来时，从句用一般现在时；主句是过去时态，从句也要相应用过去的时态。引导时间状语从句的连接词有：when，while，as，before，after，since，till，until等。
根据意义和主从句之间的时间关系，可分类如下：
1．表示同时性，即主从句的谓语动作同时发生或几乎同时发生。其连接词有：when(当……的时候)，while(……的时候)，as(当……的时候)，as soon as(一……就)，once(一……就)等。
e.g.Mary cut her finger when she was making a dress.
玛丽在做衣服时，割伤了手。
I’ll ring you up as soon as I arrive in Beijing.
我一到北京就给你打电话。
Once he arrives we can start.
他一来我们就可以动身。
As she was reading the newspaper, grandma fell asleep.
当她在看报纸时，奶奶睡着了。
Work while you work. Play while you play.
该工作时工作，该玩时玩。
2．表示先后，即主句的谓语动作发生在从句之前或之后。主要的连接词有：after(在……之后)，before(在……之前)等。
e.g.After the children had gone to bed, she began to prepare her lessons.
孩子们睡觉后她开始备课。
He had learned English for three years before he went to London.
他去伦敦之前已学了三年英语。
3．表示持续或瞬间性，主要连接词有：since(自从)，ever since(自从)，until(直到……才/止)，till(直到……才/为止)等。
e.g.It is just a week since we arrived here.
我们到这刚一星期。
Ten years has passed since we left our school.
自从我们毕业以来已过了10年。
Don’t get off the bus until it has stopped.
直到车停了再下车。
He waited for his father until (till) it was twelve o’clock.
他等他父亲等到12点。
注：
（1）until用于肯定句中，表示主句的动作一直持续到从句动作发生或状态出现时为止。一般意为“……直到……为止”。这种用法中，主句的谓语动词必须是持续性动词(非瞬间动词)。如：live，wait，last，love，like，stay，work，continue等。
（2）until用于否定句中，表示主句的动作在从句的动作发生之前尚未发生，或者说主句的动作在从句的动作发生之后才开始。此句型为“not… until…直到……才……”，此时，主句的谓语动词可以是非持续性动词。
希望对你有帮助谢谢！望采纳！
⑵ 仁爱英语初一初二所有英语的句型大全。像doing sth see sb doing sth had better do sth 大全。
一、以形式主语it引导的句型。
句型1. It happened(chanced) that +clause. = sb. happened /chanced sth. = sb. did sth. by chance. 如：
It happened that he was out when I got there. 当我到那儿时，碰巧他不在。=He happened to be out when I got there.= It chanced that he was out when I got there= He was out by chance when I got there.
句型2、It seems that sb. do/ be doing/ have done/ had done= Sb. seems to do/ be doing/ have done/ had done 如：(还有动词appear可这样使用)
It seemed that he had been to Beijing before.好象你以去过北京。=He seemed to have been Beijing before.
句型3. It is / was+被强调的部分+that(who)+剩余的部分.如：
It wasn’t until he came back that I went to bed.直到他回来我才睡觉。(一定要注意被强调句型谓语动词否定的转移，及形式)。
It was because he was ill that he didn’t come to school today.只因为他有病了今天没有来上学。(只能用because而不能用for, as 或since)
It is I who am a student. 我确实是个学生。(句中am不能用are来代替。)
句型4、It is high time (time/ about time) (that) 主语+should do / did+其它。(注意从句中的谓语动词用的是虚拟语气)
It is high time that we should go / went home.我们该回家了。
句型5、It is / was said ( reported…)+that+从句. 如：
It was said that he had read this novel.据说他读过这篇小说。=He was said to have read this novel.
句型6、It is impossible / necessary/ strange…that clause.(从句中的谓语用should+do / should have done，其形式是虚拟语气。)如：
It is strange that he should have failed in this exam.真奇怪，他这次考试没有及格。
句型7、It is + a pity/ a shame…that clause.(注意从句中的谓语动词用should do或should have
done的形式，但should可以省略。)如：
He didn’t come back until the film ended. It was a pity that he should have missed this film. 他直到电影结束才回来。他没有看到这部电影真可惜。
句型8、It is suggested / ordered/ commanded /…that +clause.(从句的谓语动词用should do, 但should可以省略。)如：
It is suggested that the meeting should be put off.有人建议推迟会议。
句型9、It is/was+表示地点的名词+where+从句。(注意本句不是强调句型，而是以where引导的定语从句。)如：
It was this house where I was born.请比较：It was in this house that I was born. (后一句是强调句型。)
句型10、It is / was +表示时间的名词+when+从句。(注意本句型也不是强调句型，而是以when引导的定语从句。)如：
It was 1999 when he came back from the United States. 请比较：It was in 1999 that he came back from the United States.
句型11、It is well-known that+从句。如：
It is well-known that she is a learned woman. 众所周知，她是个知识渊博的妇女。
句型12、It is +段时间+since+主语+did. 请比较：
It was +段时间+since+主语+had done. 如：
It is five years since he left here.他已经离开这儿五年了。
It was five years since he left here.(同上)
句型13、It +谓语+段时间+before+主语+谓语.( before引导的是时间状语从句。) 如：
It wasn’t long before the people in that country rose up.没有多久那个国家的人民就起义了。
It will be three hours before he comes back.三个小时之后他才能回来。
句型14、It is +形容词+for+ sb.+ to do. 如：
It is impossible for me to finish this work before tomorrow.我明天之前完成此工作是不可能的。
句型15、It is +(心理品质方面的)形容词+of + sb. + to do. = 主语+ be +形容词+to do.(常用的形容词有：kind, stupid; foolish, good, wise等。)如：
It is kind of you to help me.=You are kind to help me.你真好给我提供了帮助。
二、定语从句：
句型16、由as引导的非限定性的定语从句。如：
As we have known, he is a most good student.众所周知，他是个很好的学生。请比较：It is well-known that he is a most good student.(前一个是定语从句，而后者是个主语从句。)
句型17、由which引导的非限定性的定语从句。如：
He is a professor, which I have been looking forward to becoming.
他是个教授，那是我一直盼望的职业。(因为先行词professor是表示职业的名词，因此引导词用which，而不用who。(注意：关于which和as之间的比较请看语法的定语从句部分。)
句型18、由where, when引导的定语从句(其中包括限定性的或非限定性的。)如：
This is the house where I used to come.请比较：This is the house which / that I used to come to.
This is the day when I joined the Party.请比较：This is the day which / that I joined the Party on.
说明：关于that与which之间的区别，请看语法中的定语从句。
三、让步状语从句
句型19、No matter what / which / who / where / when /
whose+从句，+主句。注意从句中的时态一般情况用一般现在时态。如：
No matter what you do, you must do it well.请比较：Whatever you do, you must do it well. 无论你做什么，一定要做好。
No matter where you go, please let me know.请比较：Wherever you go, please let me know.你无论去哪儿，请通知我。
说明：这两种句型形式不同，而意义完全相同。
注意：I will tell whoever would like to read it.
句中的whoever不能用whomever来代替。因为它即作动词tell的宾语，又作后面从句的主语。
四、条件状语从句
句型20、When / So long as / As long as / Once +从句，+主句。(从句也可以放在主句之后。)如：
As long as you give me some money, I will let you go.只要你给我一些钱，我就让你走。
Once you have begun to learn English, you should learn it well.
一旦你开始学习英语，你应该把它学好。
句型21、主句+on condition that+从句。如：
I will go with you on condition that you give me some money.我和你一起去的条件是你给我一些钱。
句型22、主句+unless+从句.(注意：由于unless本身是否定词，所引导的从句的谓语动词用肯定。)如：
I will go there tomorrow unless it rains.我明天去那儿除非下雨。
句型23、祈使句，+and/ and then+主句。(注意：祈使句也可用一个名词短语。)如：
Use your head, and you will find a good idea.动脑筋想一想，你就会想出一个好主意。
Another word, and I will beat you.你再说一句，我就揍你。
句型24、If +necessary / impossible/ important等，+主句。如：
If necessary, I will do it. 如果有必要的话，我来做此事。
五、原因状语从句
句型25、主句+in case+从句。(in case表示以免)如：
I will take my raincoat in case it rains.我要把雨衣带上以免下雨。
句型26、主句+e to / because of / owning to / + the fact that +从句。如：
He did not come to school because of the fact that he was
ill.由于他有病了，所以没有来上学。
六、时间状语从句
句型27、When / While / As +从句，+主句。(关于它们之间的区别请看语法。)如：
When I was in the country, I used to carry some water for you.当我在农村时，我常常给你打水。
句型28、主句+after / before +从句. 如：
They hadn’t been married four months before they were
devoiced.他们绘结婚不到四个月就离婚了。
We went home after we had finished the work.我们做完此工作就回家了。
句型29、主语+肯定谓语+until+从句(或时间).请比较：
主语+否定谓语+until+从句。如：
I worked until he came back.我一直工作到他回来。
I didn’t worked until he came back.他回来我才开始工作。
句型30、As soon as / Immediately / Directly / Instantly / The moment / The instant / The minute +从句，+主句. 如：
My father went out immediately I got home.我一到家，我父亲就出去了。
句型31、No sooner +had + 主语+done…than +主语+did. 请比较：
主语+had + no sooner +done…than +主语+did. 如：
No sooner had I got to Beijing than I called you.我一到北京就给你打电话了。
I had no sooner got to Beijing than I called you.
句型32、Hardly +had +主语+done…when / before + 主语+did.请比较：主语+had +hardly +
done…when / before +主语+did.
Hardly had she had supper when she went out. 她一吃完晚饭就出去了。
She had hardly had supper when she went out.
句型33、By the time+从句，+主句.(注意时态的变化。)如：
By the time you came back, I had finished this book.到你回来时，我已经写完了这本书。
By the time you come back, I will have finished this book.到你回来时，我将写完这本书。
句型34、each / every time +从句，+主句. (这时相当于whenever 或no matter
when引导的从句。从句也可放在主句之后。)如：
Each time he comes to Harbin, he always drops in on me.每当他来哈尔滨，总是随便来看看我。
七、地点状语从句
句型35、Where +从句，+主句. 如：
Where there is no rain, farming is difficult or impossible.哪里没有雨水，种庄稼是很难的或者是不可能的。
句型36、Anywhere / wherever+从句，+主句. 如：
Anywhere I go, my wife goes too.无论我去哪儿，我的妻子也去哪儿。
I will go wherever you suggest.你建议我去哪儿，我就去哪儿。
八、目的状语从句
句型37、主句+in order that / so that +从句.如：
I got up early in order that I could catch the first bus.我起得很早，以便能赶上早班车。
句型38、主句+for + sb. +to do.(注意动词不定式复合结构在这儿作目的状语。)如：
He came here for me to work out this problem.他来这儿叫我帮他解出这道难题。
九、结果状语从句
句型39、主句+so that+从句. 如：
It was very cold, so that the river froze.天气很冷，因此河水结冰了。
句型40、So+形容词/ 副词+特定动词+主语+…+that+从句.
So interesting is this book that I would like to read it again.这本书那么有趣，我想再读一遍。
句型41、主语+谓语+such+名词+that+从句.如：
He made such rapid progress that he was praised by the teacher.他进步很快，老师表扬了他。
句型42、Such was + 主语+that +从句.(这是个完全倒装句。)如：
Such was the force of the explosion that all the windows were broken.爆炸力这么大，所有的窗户都被震碎了。
十、比较状语从句
句型43、The +形容词比较级……，(主句)the +形容词比较级+……如：
The sooner you do it, the better it will be.越早越好。
句型44、主语+谓语+as +形容词原级+as +被比较的对象. 如：
He is as busy as a bee.他非常忙。
句型45、主语+谓语+the+形容词比较级+of / between …
He is the taller of the two.他们俩人中他高。
句型46、主语+谓语+倍数+as+形容词原级+as+被比较的对象.如：
This room is three times as large as that one.这个房间是那个房间的三倍大。(这个房间比那个房间大两倍。)
句型47、主语+谓语+百分数/倍数+形容词比较级+than+被比较的对象.如：
This city is twice larger than ours.这个城市比我们城市大两倍。
The early rice output in that commune was 200% more than that of 2000.那个公社的早稻产量是2000年的两倍。
句型48、主语+谓语+the size / length/ width/ height +of +被比较的对象.如：
Our building is twice the height of yours.我们的大楼比你们的高两倍。
十一、其它句型
句型49、It doesn’t matter wh-+从句。如：
It doesn’t matter to me what you will do tomorrow.你明天做什么与我无关。
It doesn’t matter whether you will come or not.你来不来无关紧要。
句型50、形容词/ 副词 / 名词(可数单数)+as / though +主语+谓语，+主句.如：
Young as he is, he knows a lot.虽然他很小，但他知道得很多。
Hard he works, I am sure that he can’t pass this exam.虽然他学习很努力，这次考试他肯定不能及格。
Child as he is, he knows a lot.虽然他是个孩子，但他懂得很多。
句型51、Were / Should / Had +主语+谓语，+主句.如
Were I you, I would have gone there yesterday.如果我是你的话，昨天我就去那儿了。
句型52、Only +状语+特定动词+主语+谓语…
Only by this means can I do this work well.只有用那种方式我才能做好此工作。
Only because he was ill did he not come to school.只因为他有病了才没有来上学。
Only then did I realize that I had been wrong.只有那时，我才认识到我错了。
句型53、Not only +特定动词+主语+谓语…but also+主语+谓语…
Not only did he learn English well but also he spoke French very well. 他不但英语学得好，而且法语讲得很流利。
句型54、whether….or…, neither…nor…, either…or…
句型55、主语+doubt+whether + 从句. 请比较：
主语+特定否定词+doubt+that+从句. 如：
I don’t doubt that he will come this afternoon.我确信他下午一定能来。
十二.句型1：too +adj./adv.+to do
The boy is too young to go to school.这孩子太小不能上学。
句型2：adj./ad v.+enough to do
The girl is old enough to go to school.这女孩到了上学的年龄。
句型3：...in order to do
He stood up in order to see better.他站了起来，好看清楚些。
句型4：...have to do
You'll have to go home now.现在你得回家了。
句型5：There's no time to do this.
There's no time for me to play now.现在我没时间玩。
⑶ 谁能给我初中仁爱版英语语法大全
知识详单
知识点1状语从句的分类
状语从句
连词
时间
when, while, as，since ，till, until, before, after, as soon as, no sooner…than, hardly(scarcely)…when, the
minute, the second，every( each time)
地点
where, wherever, everywhere
条件
if, unless, as(so) long as ,in case
原因
Because, since, as, now that, seeing that, in that, considering that
让步
Though, although, even if(though)，。，whatever, wherever, whoever, however. no matter+ wh-
比较
As…as…, (not) the same.，not so...。，than
方式
as, as if(though)
目的
so that, in order that, in case ,for fear that, lest
结果
so that, so…that, such... that, but that
知识点2时间状语从句的用法
从属连词
用法
例句
While
“与……同时，在……期间”，从句常用延续性动词或表示状态的词
Don’t talk loud while （as）others are working.别人工作时，请勿大声说话。
When
“当……时”，表示主句的动作和从句的动作同时或先后发生，从句的动词可用延续性动词，也可用非延续性动词
It was raining when we arrived.我们到达时，天正下着雨。
when you read the poem a second time, the meaning will become clearer to you.当你再读一遍这首诗, ，你就更清楚它的含义。
As
“正当，一边·····一边，随着”，表示两个动作同时发生或某事发生时，另一个动作发生了
As time went on, his theory proved to be correct.随着时间的推移，他的理论被证明是正确的。
Till/until
用于肯定句时，表示“直到……为止”，主句必须为延续性动词;not.. .until/till表示“直到……才”，主句常用短暂性动词
We shall wait until/till he comes back.我们将一直等到他回来。
I didn't leave until/till she finished her homework.直到她完成作业.我才离开。
Since
“自……以来”，主句用一般现在时或现在完成时，从句用一般过去时
I have heard。lot of good things about you sin
from abroad.自从我从国外回来，我已经听许多好的事情。
Before
在……以前
He must finish all the work before he goes home.回家之前他必须完成所有的工作。
After
在…..之后
Iet's play football after school is over.放学后我们打篮球吧。
【知识拓展】时间状语从句的时态问题:在时间状语从句和条件状语从句中，主句如果使用一般将来时态，从句使用一般现在时表示将来，即所谓的主将从现。例如:
As soon as I arrive in Beijing, I will ring you up. 我一到北京就给你打电话。
You'll fall behind the others unless you study hard.如果你不努力学习，你将会落后于其他人。
知识点3地点状语从句和条件状语从句的用法
分类
从属连词
例句
地点状语从句
where在……地方，wherever，无论哪里
Where there is a will，there is a way.有志者，事竟成
Wherever you go，you must obey the law.无论你去哪儿，你都要遵守法律。
条件状语从句
if如果;unless除非，如果不
If Y make any mistakes，please point them out in time.如果我犯错误，请及时指出来。
Don't ask me to explain unless you really don't understand.不要让我解释，除非你真的不懂。
in case假使，万一
Write down her telephone number in case you forget.把她的电话号码记下来万一你忘了呢。
so/as long as只要，
如果
You can go out as/so long as you promise to be back before 11 o'clock.你可以出去，只要你答应在点前回来
【知识拓展】 if引导条件状语从句和宾语从句的区别:
① if引导条件状语从句，表示“如果”，主句用一般将来时态，从句用一
般现在时表示将来。例如:
If it doesn't rain, I will go to the cinema tomorrow.如果明天不下雨，我就去看电影。
（2）if引导宾语从句，表示“是否”，如果主句是一般现在时，从句可用各种对应的时态; 如果主句是一般过去时，从句用过去的某种时态。例如:
I didn't know if he would come tomorrow.我不知道他明天是否会来。
知识点4原因状语从句和让步状语从句的用法
分类
从属连词
例句
原因
状语
从句
because因为，as，因为，since既然
He couldn't have seen me because I was not there. 他不可能看见我，因为我当时不在那儿。
As it rained，we all stayed at home.由于下雨我们都待在家里。
Since we are all here, let's reach a decision now.既然大家都来了，现在让我们做决定吧。
Now that/in that/seeing that/considering that既然，由于
I needn't say anything in that you have known it.由于你已经知道了，我没有必要说什么了。
Considering that he is very young, he does it very well·考虑到他很年轻，他做得很不错了。
让步
状语
从句
although/though虽然，尽管
Though he is very poor, he is very happy.他虽然很穷，但他很快乐。
Although he is young, he is very clever.他尽管年轻，但很聪明。
精锐天山英语