高二英語知識點解讀：情態動詞+have+過去分詞
下面育路小編為大家整理了高二英語知識點解讀：情態動詞+have+過去分詞，希望大家在空余時間進行復習練習和學習，供參考。
1) may(might) have + done sth， can (could) have + done sth 表示過去，推測過去時間里可能發生的事情。
Philip may (might) have been hurt seriously in the car accident.
Philip can (could) have been hurt seriously in the car accident.
2)must have +done sth，對過去時間里可能發生的事情的推測，語氣較強，具有“肯定”，“諒必”的意思。
---Linda has gone to work， but her bicycle is still here.
---She must have gone by bus.
3) ought to have done sth， should have done sth
本應該做某事，而事實上并沒有做。否定句表示“不該做某事而做了”。
You ought to (should) have been more careful in this experiment.
He ought not to have thrown the old clothes away.(事實上已扔了。)
ought to 在語氣上比should 要強。
4) needn‘t have done sth 本沒必要做某事
I dressed very warmly for the trip， but I needn‘t have done so. The weather was hot.
5) would like to have done sth 本打算做某事
I would like to have read the article， but I was very busy then.
以上就是高二英語知識點解讀：情態動詞+have+過去分詞，希望能幫助到大家。
(責任編輯：彭海芝)
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