语法填空:I took my kids to the amusement park and ( ) they enjoyed themselves I sat tiredly aside答案是as,为什么不能填while和when啊,有什么规律?
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![语法填空:I took my kids to the amusement park and ( ) they enjoyed themselves I sat tiredly aside答案是as,为什么不能填while和when啊,有什么规律?](/uploads/image/z/7191460-28-0.jpg?t=%E8%AF%AD%E6%B3%95%E5%A1%AB%E7%A9%BA%EF%BC%9AI+took+my+kids+to+the+amusement+park+and+%28+%29+they+enjoyed+themselves+I+sat+tiredly+aside%E7%AD%94%E6%A1%88%E6%98%AFas%2C%E4%B8%BA%E4%BB%80%E4%B9%88%E4%B8%8D%E8%83%BD%E5%A1%ABwhile%E5%92%8Cwhen%E5%95%8A%2C%E6%9C%89%E4%BB%80%E4%B9%88%E8%A7%84%E5%BE%8B%3F)
语法填空:I took my kids to the amusement park and ( ) they enjoyed themselves I sat tiredly aside答案是as,为什么不能填while和when啊,有什么规律?
语法填空:I took my kids to the amusement park and ( ) they enjoyed themselves I sat tiredly aside
答案是as,为什么不能填while和when啊,有什么规律?
语法填空:I took my kids to the amusement park and ( ) they enjoyed themselves I sat tiredly aside答案是as,为什么不能填while和when啊,有什么规律?
as作连词的用法:
1.作“在-------期间,当----的时候”引导时间状语从句.注意与when、 while的用法区别.
①下列情形时,只用as,而不用when或while.
1)用于表示同一个人的两种动作交替进行,指一边----一边.如:
The girl sings as she goes to school.
He looked behind occasionally as he went forward in the forest.
2)表示两个同步发生的动作或行为,意思是随着-----的发展.如:
As time went on / by,she became more and more beautiful .
As children get older,they become more and more interested in everything.
3)表示两个短暂行为或事情几乎同时发生.如:I watched her as she read the book.
I thought of it just as you opened your mouth.
Just as the flying worm hit her face,she gave a loud cry.
4)接在名词后面表示某一个年龄段时.如:
As a young man,he was active in sports.
②when作"当……的时候"解,可以指较短的(一点)时间,也可指一段时间.如:When I was at college,I could speak several foreign languages.When the clock struck twelve,I had slept for 2hours.
③ while常表示一段较长的时间或一个过程,强调主句谓语动词与从句谓语动词同时发生.如:Work while you work.Play while you play.
as