与“had better”怎样相处
had better是固定词组,相当于一个情态动词,用来表示一种建议和劝告,意思是鈥溩詈免︹︹潯⑩溁故氢︹免潯R煤盟颐怯ψ⒁庖韵录父龇矫妫
1. 人称和数的形式:had better中had无人称、数和时态的变化。
2. 缩写形式:had better可以与作主语的人称代词缩写。如:I'd better,You'd better等。
3. 易被误解的两种形式:had虽为过去形式,但无过去的意义;better虽为比较级形式,但无比较意义。
4. 肯定句形式:鈥溨饔+had better+动词原形+鈥.鈥澣纾
It's raining outside.You'd better put on your raincoat.外面在下雨,你最好穿上雨衣。
5. 否定句形式:鈥溨饔+had better not+动词原形+鈥︹潱荒芙柚蔰idn't来否定(即不能用鈥渄idn't have better+动词原形鈥潱H纾篩ou had better not wake me up before 6 o'clock.六点钟之前 你最好不要叫醒我。
说明:现代英语也可用鈥渉ad not better+动词原形鈥澔蜮渉adn鈥檛 better +动词原形鈥潯
6. 一般疑问句形式:Hadn鈥檛/ Had +主语+ better+动词原形+...?, 其肯定答语形式为:(Yes,) 主
语+鈥檇 better. 或Yes, 主语+ should/ had. 否定答语形式为:(No,) 主语+鈥檇 better not. 或No,主语+shouldn鈥檛/ hadn鈥檛. 如:
---Hadn鈥檛 you better do your homework at home?你是不是最好在家做功课?
---(Yes,) I鈥檇 better. 或Yes, I should/ had. 是的,我最好在家做功课。
---Had we better leave early ? 我们是不是最好早些离开?
---(No,) we鈥檇 better not. 或No, we shouldn鈥檛/ hadn鈥檛. 不,我们最好不要早离开。
7. 特殊疑问句形式:鈥溡晌蚀+had+主语+better+动词原形+鈥?鈥
What had we better do ? 我们最好做些什么呢?
说明:had better很少用于特殊疑问句。
8. 反意疑问句形式:鈥湷率鼍洌琱adn鈥檛/ shouldn鈥檛+人称代词 ?鈥潯H纾
You'd better go to see a doctor first,hadn't/ shouldn鈥檛 you?你最好先去看病,是不是?
9. 省略形式:在现代英语中常用better代替had better,有时甚至省略主语。如:
You had better be careful./You better be careful./ Better be careful.你最好当心。
Better not wait for him. 最好不要等他了。
10. had better之后可接进行式动词,表示立即做某事,如:
I think I鈥檇 better be going. 我想我最好马上走。
You鈥檇 better be getting your clothes ready.你最好马上把你的衣服准备好。
11. had better之后可接完成式动词,表示对过去本来应该做而未做成之事的遗憾,如:
You鈥檇 better have come earlier.你本该早点来。
12. 同义的孪生结构:鈥渉ad best+动词原形鈥潱蝗鏷ad better常用,如:
You鈥檇 best get home before midnight. 你最好在子夜以前回到家。
13. 被动结构:鈥溨饔+had better +be+过去分词鈥.鈥潱纾
Breakfast had better be eaten before seven o鈥檆lock. 早饭最好在七点以前就吃。
14. 使用场合:通常是上级对下级, 长辈对晚辈建议和劝告在将来某一具体场合采取行动,对上级和长辈一般不用。它常带有威胁、告戒或催促的意味,如:
You鈥檇 better stay at home. 你最好还是呆在家里。(威胁,暗含鈥湻裨蚓投阅悴豢推潱
You had better think twice before you do it. 你最好三思而后行。(告戒)
You鈥檇 better have a rest. 你最好休息一下。(催促)
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