■表示对过去情况的推测
1. must have +P. P. 一定已经
2. can/could have + P. P. 可能已经
3. may/might have + P. P. 或许已经
用例:
He must have taken the book since it isn’t here. 他一定是把书拿走了,因为书已不在这里了。What could have become of him now? 现在他可能怎么样了呢?
You may have noted that my address has changed. 你也许已经注意到我的地址变了。
She might have gone to have her hair waved. 她可能去烫发去了。
注意:could have done还可表示“简直就要”。如:
I could have died laughing. 我简直要笑死了。
■表示轻微的责备或后悔
1. ought to /should + have + P. P. 本来应该做某事(而实际上没做)
2. ought not to /shouldn’t + have + P. P. 本来不应该做某事(而实际上却做了)
3. could + have + P. P. 本来能够做某事(而实际上没做)
4. might have +P. P. 本来可以做某事(而实际上没做)
5. needn’t + have + P. P. 本来不必做某事(而实际上做了)
用例:
I ought to have helped her,but I never could. 我本该帮助她的,却从未能这样做。
They oughtn’t to have let you out of hospital so soon. 他们不应当让你这样早出院。
We all know what the poor man should have said. 我们都知道那位可怜的人儿本来应该怎样说。
You shouldn’ t have told him about it. 你本不该把这件事告诉他的。
She could have applied for that job, but she didn’t. 她本可以申请这份工作的,但她没有。
注意:其中could, might不可用can, may代替,这与表示推测时的用法不同。
体坛英语资讯:Colognes Hector sidelined with injury
川普将视察佛罗里达灾区
国际英语资讯:Eurozone FinMins confident on economic resilience
国际英语资讯:Egyptian, Chinese banks sign loan deals to enhance financial cooperation
《权力的游戏》中的灵魂台词,一句就是一生
体坛英语资讯:Athletes from 57 countries and regions participate in Tai Chi competition in China
国际英语资讯:Dozens arrested, 10 injured in St. Louis protests over acquitted police officer
国内英语资讯:China Focus: Japanese book provides new evidence on Unit 731 experiments
老外在中国:痛不欲生的分娩过程
国际英语资讯:WFP begins food aid operation in Cuba after Hurricane Irma
苹果发布会推出十周年纪念版,价格逆天
如何清洁风衣
重温乔布斯最经典演讲: 求知若饥,虚心若愚
Pot luck 这个词和运气有关吗?
国内英语资讯:Chinese, Lao armies hold high-level frontier meetings
My Ideal Career 我的理想职业
国内英语资讯:Belt, Road Initiative crucial for China-CEE relations: Chinese ambassador to Poland
国内英语资讯:Senior CPC official stresses cyber security ahead of key Party congress
你也在苦恼突如其来的静电吗?试试这些小妙招吧
国内英语资讯:Vice premier stresses more efforts to boost employment
国内英语资讯:China Focus: UN conference ends with world commitment to stop desertification
国内英语资讯:China says human rights dialogue should be constructive, not shaming
国内英语资讯:China cleans up winter heating
国际英语资讯:Spotlight: Turkey steps up pressure against Iraqi Kurdish independence referendum
美文赏析:
国际英语资讯:DPRK confirms another medium-range ballistic missile drill
体坛英语资讯:Uganda wins Africa Sevens Womens T20 Rugby title
研究发现 遇到危险时紧抓别人只是为了自保
国内英语资讯:Top Chinese political advisor sends congrats on 14th World Chinese Entrepreneurs Convention
美文赏析:所谓会说话,就是心里装着别人
| 不限 |
| 英语教案 |
| 英语课件 |
| 英语试题 |
| 不限 |
| 不限 |
| 上册 |
| 下册 |
| 不限 |