1)must have done 过去一定做了某事,只用于肯定句。
2)can’t/couldn’t have done 过去不可能做了某事
3)could have done “本来可以……”(表示过去没有实现的可能)。 4)may /might have done “本来可能……;本来应该或可以做某事”(实际没有发生;含有轻微的责备语气。 5)should/ought to have done “本来该做某事”(而实际未做) 6)should not/ought not to have done “本来不该做”(实际却做过了,含有责备语气) 7)needn’t have done “本来不必做”(但是已经做过了) 8)would rather have done “当时宁愿做了某事”(实际没有做过);
否定式would rather not have done, 表达相反意思“宁愿当时没有做某事”,两者都有后悔之意。
练习: 1. We
have bought so much food now that Suzie won’t be with us for dinner.
A.may not B.needn’t C.can’t
D.mustn’t (2017江西) 2. I met Mr. White shortly after the Second World War, and that ___ about March 1946, I suppose.
A. is
B. maybe
C. must have been
D. may have been
3. My sister met him at the Grand Theater yesterday afternoon, so he ___ your lecture.
A. couldn’t have attended
B. needn’t have attended
C. mustn’t have attended
D. shouldn’t have attended
4. He _____ have completed his work; otherwise, he wouldn’t be enjoying himself by the seaside. A. should B. must C. wouldn’t D. can’t (北京) 5. –Catherine, I have cleaned the room for you. –Thanks. You _____ it. I could manage it myself.(福建) A. needn’t do B. needn’t have done C. mustn’t do D. shouldn’t have done 6. –If the traffic hadn’t been so heavy, I could have been back by 6 o’clock. –What a pity! Tina _____ here to see you.(湖南) A. is B. was C. would be D. has been 7.A traffic accident happened on the highway, and a driver _____.
A. may have hurt
B. may be hurting
C. may be hurt
D. may have been hurt
8. He paid for a seat, when he _____ have entered free.(山东) A. could B. would C. must D. need
预定会议室[1]
流利美语随你讲 Lesson40-天气与季节4
如果你打电话找的人不在
愿与亚运再重逢:久别重逢后如何开口
生活口语:上海的一天
英语中的“鬼魅反义词”
流利美语随你讲 Lesson36-时间与预约
如何用英语表达“顺其自然”
结帐
你是个勇于创新的人吗
实用英语:“开卷闭卷考试”的说法
地道英语表达“大吃一惊”(下)
大众传媒
实用口语:各种旅行的意义
了解情况
商务英语口语视频教程材料下载
电话英语:简单五步 顺利通话
呼吸疾病常用英语表达
久别重逢后如何开口
谈话框架用语
怎样开户存款
干将
每日一句口语入门:我宁愿……
主持会议[1]
酒店常用英语口语集锦[1]
甜蜜口语:N种说法教你说“亲爱的”
情景会话:月圆人圆中秋节
生活口语:到此为止请勿多言
怎样谈论世贸组织的双重性
看电视必备的十句口语
不限 |
英语教案 |
英语课件 |
英语试题 |
不限 |
不限 |
上册 |
下册 |
不限 |