Great changes have taken place the last two years.
They said that the Arab had stolen their camel.
四.have 用于情态动词+have +过去分词的结构有推测,假设之意
1, must +have+过去分词,表示对过去时间发生的动作或存在的情况的推测,一般用于肯定句。
Her father thought that she must have met a fairy.
You must have left your bag in the theatre.
2,can (could)+have+过去分词,表示对过去发生事情的不肯定,常用于否定句和疑问句。
He cant have been to your home, he doesnt know your address.
3,should+have+过去分词,表示某事本该早做而实际未做,用于肯定句。
You should have been here five minutes ago.
五,have 用于某些成语,表示固定的意思。
1,have a word (a few words ) with sb,表示和某人説(几)句话。
Wheres Peter ? I want to have a word with him.
2, had better +不带 to 的动词不定式,表示最好
Id better go and look for him now.
3, have nothing (something) to do with 表示和无(有)关系。
Most of questions had nothing to do with Edisons lesson
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