语法填空:Itookmykidstotheamusementparkand()theyenjoyedthemselvesIsattiredlyaside答案是as,为什么不能填while和when啊,有什么规律?
语法填空:Itookmykidstotheamusementparkand()theyenjoyedthemselvesIsattiredlyaside
答案是as,为什么不能填while和when啊,有什么规律?
语法填空:Itookmykidstotheamusementparkand()theyenjoyedthemselvesIsattiredlyaside答案是as,为什么不能填while和when啊,有什么规律?
语法填空:Itookmykidstotheamusementparkand()theyenjoyedthemselvesIsattiredlyaside
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:
Thegirlsingsasshegoestoschool.
Helookedbehindoccasionallyashewentforwardintheforest.
2)表示两个同步发生的动作或行为,意思是随着-----的发展.如:
Astimewenton/by,shebecamemoreandmorebeautiful.
Aschildrengetolder,theybecomemoreandmoreinterestedineverything.
3)表示两个短暂行为或事情几乎同时发生.如:Iwatchedherasshereadthebook.
Ithoughtofitjustasyouopenedyourmouth.
Justastheflyingwormhitherface,shegavealoudcry.
4)接在名词后面表示某一个年龄段时.如:
Asayoungman,hewasactiveinsports.
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:WhenIwasatcollege,Icouldspeakseveralforeignlanguages.Whentheclockstrucktwelve,Ihadsleptfor2hours.
③while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:Workwhileyouwork.Playwhileyouplay.