both 的一个用法,在线等!十分感谢!

当句中含有both时,应该放在情态动词和助动词之前还是之后呢?有的网站说之前,如who can speak english? we both can. 有的说放在后面,如we can both drive cars.到底要放在前面后面?我都晕了!请高手指教,谢谢了!

1.和谓语动词连用时,both应放在 be动词、助动词和情态动词之后,行为动词之前。例如:
My parents are both doctors.我父母都是医生。
The two sisters can both drive cars.这两位姐妹都能开汽车。
They will both stay here for another day or two.他们俩在这儿将再逗留一两天。
注意:在简略回答以及感叹句中, both不能位于句尾,要放在be动词、助动词或情态动词之前。例如:
“Are your parents workers?”“Yes, they both are.”“你父母是工人吗?”“是的,他们俩都是工人。”
How clever they both are!他们俩多聪明啊!
2.both可直接放在名词前作定语。但如果名词前有其它限定词,如the, these,my或two等,则应放在这些词前面,也可以用both of加上这些词。如:可以说both(of)the books,both(of)his hands等。不能说the both books,his both hands等。例如:
Both(of)my parents work in a hos- pital.(=My parents both work in a hos- pital.)我父母都在医院工作。
3.both和代词连用时,应说they both(作主语),both of them(作主语或宾语),them both(作宾语)等形式,不能说 both they或both them等。例如:
We must thank both of you.(=We must thank you both.)我们应该感谢你们俩。
Both of us are from Canada.(=We are both from Cana-da.)我们俩都是加拿大人。

参考资料:http://www.pkuschool.com/ask/q.asp?qid=384782

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第1个回答  2008-04-30
不同的词性用法不同

a.
1. 两...(都),两个...(都)
Both his eyes were severely burned.
他的双眼都严重烧伤了。
pron.
1. 两者(都);两个(都);双方(都)
Why not buy both?
为什么不把两件都买下?
ad.
1. 并;又;两者皆
We like Amy and Phil both.
艾米和菲尔两个我们都喜欢。
conj.
1. 既...且...;...和...都
The prospects both excited and worried me.
这前景既使我激动又令我忧虑。
第2个回答  2008-04-30
情态动词之后 助动词之前..
第3个回答  2008-04-30
当both作同位语,用法较灵活,可放在主语后,可放在情态动词,系动词后,
They both like football.
We both can drive= We can both drive.
They are both drivers.
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