need的过去式还是need吗
题目
need的过去式还是need吗
答案
是
need做情态动词时没有时态的变化,过去式也是need.后面接动词原形.如:
I need write a letter yesterday.
Need he answer it then?
Yes, he need.
No, he needn't.
情态动词need表示对过去的推测时常和现在完成时连用.如:
You needn't have hurried.你当时不必这么匆忙.
need做实义动词(行为动词)时,过去式是needed.后面接to do.如:
I needed to write a letter yesterday.
Did he need to answer it then?
Yes, he did.
No, he didn't.
举一反三
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
最新试题
- a,b,c,d,e,f,g,h,i,j,k三个组一起,可以组哪些
- 改句 whose story book is this?(复数)
- 一个半径为R的均匀带点球体(或球壳)在球的内部产生的电场如何?
- 这个文章什么意思啊?LDO?
- 将一个5N的力分解为俩个分力,分力的大小可以是1000N和996N吗?
- What’s she doing?的同意句
- he is p____ enough to wait for me for about four hours.
- 跟铵根离子具有相同质子数和电子数的微粒是(选择题)
- 知道弦长和高怎么算弧长啊?把公式写的清一点,清一点.
- ____is the old man over there?
热门考点