欧美另类日韩中文色综合,天堂va亚洲va欧美va国产,www.av在线播放,大香视频伊人精品75,奇米777888,欧美日本道免费二区三区,中文字幕亚洲综久久2021

情態(tài)動詞+ have +過去分詞

時間:2023-05-04 21:16:25 英語語法 我要投稿
  • 相關推薦

情態(tài)動詞+ have +過去分詞

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(fā)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(fā)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.

【情態(tài)動詞+ have +過去分詞】相關文章:

變動詞語釋義11-25

小學英語動詞單詞02-09

動詞的時態(tài)和語態(tài)專題復習02-29

高考非謂語動詞專練12-08

i have a dream英語作文范文(精選21篇)12-13

how i have changed!英語作文(精選37篇)09-27

英語語法口訣非謂語動詞03-06

學說動詞中班語言教案08-29

從句與非謂語動詞的相互轉換07-06

淺析英語單詞drink的過去式和過去分詞02-07