英语口语自学教材，一片通美语初级口语单词1200个，第15课。请重复跟读。首先：可看着例句的文字跟读。 最后：不看例句的文字亦可顺畅地完成跟读
could
[助动词] 能, 会, 可能会, 可以. (can 的过去式) I was so tired that I could not do my homework. 我太累了以致於没办法做 (我的) 家庭作业. It could be weeks before we know the real story of this event. 可能要过好几个星期我们才能瞭解这个事件的真相. eat [动 词] 吃(东西), 喝, 进食, 用膳. I can not eat any more. 我吃不下了. I am so hungry that I could eat a horse. 我饿得可以吃下一匹马. [用来形容非常飢饿] eaten [动 词] 吃(东西), 喝, 进食, 用膳. (eat 的过去分词) I have not eaten lunch yet. 我还没有吃午餐. It is said that the little boy has been eaten by a tiger. 据说那个小男孩被一隻老虎吃掉了. eight [名 词] 八, 八个. At the age of eight, she began to learn English. 她在八岁时开始学英文. [形容词] 八的, 八个的. Please come here before eight o'clock. 请在八点 (鐘) 之前到这裡. eighteen [名 词] 十八, 十八个. Two times nine is eighteen. 二乘九是十八. [形容词] 十八的, 十八个的. There are eighteen students in the classroom. 这教室裡有十八个学生.