案例描述:

小学生学英语最困难的是不理解也难掌握英语的语法知识,特别是在复习课阶段,要在短时间里掌握一定的内容有一定的难度。在复习陈述句变一般疑问句时我采取集中学习的方法。

一、先归类:

1、陈述句中有系动词be、助动词be, have / has, do, will, had或情态动词can, could, may, must, need 时,将这些系动词、助动词或情态动词移到句首,并在句末加上问号。如:

This is my book.------------ Is this my book?

You are a boy. -------------Are you a boy?

I’ll go to the History Museum this afternoon.--------------Will you go to the History Museum this afternoon?

2、原陈述中没有系动词be、助动词,则在句首加助动词Do的适当形式,同时,将谓语动词变为原形动词。如:

I want to go to Guilin.--------Do you want to go to Guilin?

The boy does some housework at home.-- Does the boy do some housework at home?

3、原陈述句中,若谓语动词是have / has, 则须考虑have / has的意义。如果have / has是“有”的意义时,变为疑问句时,既可在句首加Do的适当形式,也可将have / has,提到句首。如:

He has a beautiful pen. —Has he a beautiful pen? / Does he have a beautiful pen?

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