to do 可以表原因吗,to do作状语的用法

to do 可以表原因吗,to do作状语的用法

It means you don't need to do it, instead.这就意味着你反倒不用干了。4.have to/must情态动词#在肯定句中可以互换(1)have to:不得不(客观原因) 过去式：h没人可以否事实。32. It is advisable for sb to do sth. 对某人来说做某事是理智的。33. By no means should we do sth. 我们绝不可以做34. It is hightime that we did

​​简介to do的三种用法：表原因、表观点、作后置定语。动词不定式可以放在动词后面在某些表达意见或感受之类的动词需要跟to do,比如：They decided to start不能单独作谓语。最常用的助动词有：be, have, do, shall, will, should, would。例如：He doesn'

3) 表原因I'm glad to see you。典型例题The chair looks rather hard, but in fact it is very comfortable to ___. A. sit B. sit on C. be seat D. be s(注意：这种句型里如带动词hope则不能变成简单句，因为无hopesb. to do结构) 11.It is/ has been +一段时间+since从句(从句中如为延续性动词，则实际表示的意思相反) Eg:It is two yea

∪＾∪ 他失去工作的主要原因是他喝酒。误：themainreason,whyhelosthisjob,wasthathedrank. 正：themainreasonwhyhelosthisjobwasthathedrank.(同位语从句) 注意引导表原因的非限制*定语我倒是觉得表原因的不定式，既然发生在谓语动词之前，如果谓语动词尚未发生(比如将来、虚拟等)那么这个表

To Do还可以用于表示原因，常常与because连用，例如：1. He didn't come to the party because he was busy. 2. She didn't go to the concert because she was sick. 3. They It is our duty to help poor people.如果要说明不定式表示的动作是谁做的，可以在不定式前加逻辑主语，以区别于语法上的主语，这种形式称为动词不定式的复合结构。常见结构在：I