读/ei/音的字母（组合）规则
1．a在开音节中读/ei/。
例：face/feis/，plane/plein/。再如：
place race space grade trade age page cake shake lake make take wake snakepale tale sale game lame name shame same shape tape phase Kate fate hate date gatelate state skate plate cave save wave slave brave baby lady lazy paper nature Asia abletable native awake mistake translate persuade potato
2．a在tion前读/ei/。
例：nation/'neiM+n/，station/'steiM+n/。再如：
relation situation graduation education population information operation libera-tion celebration pronunciation congratulation examination imagination
3．ai读作/ei/。
例：maid/meid/，remain/ri'mein/。再如：
例：wait waist strait straight raise praise tail fail sail nail rail aim pain chainmain gain rain plain train grain brain paint dail mainly railway waiter tailor sailorfailure
4．ay读作/ei/。
例：spray/sprei/，bayonet/'bei+nit/。再如：
day hay lay play may May pay way stay gray tray maybe daytime daylight play-ground today delay away
5．eigh读作/ei/。
例：eight/eit/，freight/freit/。再如：
eighth weigh weight eighty neighbour
6．ey读作/ei/。
例：grey/grei/，hey/hei/，they/Jei/，obey/+'bei/
7．a在nge前读/ei/。
例：change/tMeind{/，strange/streind{/，stranger/streind{+/，danger/deind{+/，dangerous/'deind{+r+s/
8．在以下单词中，ea读/ei/。
例：break/breik/，great/greit/
