
could
[助動(dòng)詞] 能, 會(huì), 可能會(huì), 可以. (can 的過(guò)去式)
I was so tired that I could not do my homework.
我太累了以致於沒(méi)辦法做 (我的) 家庭作業(yè).
It could be weeks before we know the real story of this event.
可能要過(guò)好幾個(gè)星期我們才能瞭解這個(gè)事件的真相.

eat
[動(dòng) 詞] 吃(東西), 喝, 進(jìn)食, 用膳.
I can not eat any more.
我吃不下了.
I am so hungry that I could eat a horse.
我餓得可以吃下一匹馬. [用來(lái)形容非常飢餓]

eaten
[動(dòng) 詞] 吃(東西), 喝, 進(jìn)食, 用膳. (eat 的過(guò)去分詞)
I have not eaten lunch yet.
我還沒(méi)有吃午餐.
It is said that the little boy has been eaten by a tiger.
據(jù)說(shuō)那個(gè)小男孩被一隻老虎吃掉了.

eight
[名 詞] 八, 八個(gè).
At the age of eight, she began to learn English.
她在八歲時(shí)開(kāi)始學(xué)英文.
[形容詞] 八的, 八個(gè)的.
Please come here before eight o'clock.
請(qǐng)?jiān)诎它c(diǎn) (鐘) 之前到這裡.

eighteen
[名 詞] 十八, 十八個(gè).
Two times nine is eighteen.
二乘九是十八.
[形容詞] 十八的, 十八個(gè)的.
There are eighteen students in the classroom.
這教室裡有十八個(gè)學(xué)生.