have 助动词(完成时;虚拟语气);得;有;让;吃;

讲解:1)构成完成时;虚拟语气的助动词(详见语法:时态和语气)

例: I have worked for 5 hours.我已经连续工作五个小时了

例: If I had know the news, I would have told you.如果我知道了这个消息,我早告诉你了.

2)得字:have+ a+一种病=have got a 一种病:某人生病.

例: Doctor, I have a headache/have got a headache.大夫,我头疼

3)有字:区别sb have某人拥有;have前必须是人--- there be存在

例:I had a new computer.我有了台新电脑(拥有)

例: There are many people in the street.街上有很多人(存在)

4)让字: have sb do sth= let sb do …让某人做某事; have sth done某事被做(常考点,分清sth;sb)

例:My TV is out of work, I have it repaired. 我的电视坏了,它得修修(have sth done)

例: My TV is out of work, I have the workman repair it. 我的电视坏了,我得找人修修它(have sb do …)

5)吃字: have+食物+ for+某顿饭: have…for…某顿饭吃…

例: He hardly has nothing for breakfast.他几乎不吃早餐

6)不得不(有强迫意味):have to---must必须(意思不同)

例: He had to fact to all kinds of dangers. 他不得不面对各种危险

例: As a tutor, I must try my best to improve your scores.作为一名辅导老师,我必须尽全力提高你们的分数.

7)复习:最好:had better do…—had better not do…(详见better)