both的三种用法 both用法有哪些

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both 用法有哪些
的用法有两种,它可以和名词、代词连用,也可以和动词连用,在句中作主语、宾语及同位语,也可作定语.现将其用法归结如下:
1)both与名词、代词连用
(1)both+(of) +the/ 物主代词/指示代词+名词,如:
①Both of the cats are asleep.两只猫都睡着了.
②I bought both of these bottles in China two years ago.
两年前我在中国买了这一对瓶子.
③Both of his daughters are doctors.他的两个女儿都是医生.
(2)both直接修饰名词时,不加of.如:
①Both children won prizes.两个孩子都得了奖.
【注意】不能说both of children,但可以说 both of the children.
②I've got oil on both hands.我两手都是油.
【注意】不能说both of hands,可说both of my hands.
(3)在人称代词前一定要用both of,不能说 both we或 both us,但可以说us both,them both等.如:
①Both of us like skating.我们俩都喜欢滑冰.
②I want both of them.两个我都要.
2)both与动词连用
当both在句中作主语的同位语时,也可与动词连用,both在句中的位置有以下三种情况:
(1)放在是动词be之后.如:
①The children are both lovely.这两个孩子都很可爱.
②They are both from Australia.他们两个都是澳大利亚人.
【注意】在感叹句或简略答语中,both应置于be之前.如:
③How beautiful they both are!他们俩多漂亮啊!
④----Are you both from Japan?----Yes,we both are.
“你们俩都是日本人吗?”“是的,我们是.”
(2)放在行为动词前.如:
①We both like watching TV.我们俩都喜欢看电视.
②The men both looked French.那两个人看起来都像是法国人.
(3)当谓语动词是由几部分组成时,both要放在第一个助动词后面.
如:
①We have both studied acting.我们俩都学过演戏.
②The rooms have both been cleaned.这两间屋子都已打扫过了.
3)both作代词时,可单独使用,其后不接名词.如:
①The brothers are good at playing basketball.Both will take part in the game.这弟兄俩人篮球打得好,他们俩都将参加比赛.
②----Which one do you want?
----I'll take both please.
“你要哪一个?”“两个我都要.”
【注意】both与not连用,是部分否定.如:
①Both the doors are not open.两扇门并不都开着.
Both的用法及注意事项
一、形容词both作“两”、“双”
1.Both (the)instruments are valuable to this process.(定语)这两个仪器对这个过程都是很有价值的.
2.Both (the)student have made a good few experiments on electricity.(定语)这两个学生都做了不少电学实验.
二、代词both作“两人”、“两者”

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