我们首先来看看一般现在时的构成。
一般现在时的构成:
a. be动词过去式的句式。
否定句是在was/were后面加not,was not (wasn't)/were not (weren't)。一般疑问句是把was / were提前并放到句首,要求首字母要大写。
b.实义动词过去式的句式。
①肯定式:主语+动词过去式+其它。
如:They had a good time yesterday.
②否定式:主语+did not(didn't)+动词原形+其它。
如:They didn't watch TV last night.
③一般疑问句:Did+主语+动词原形+其它?
肯定回答:Yes,主语+did.否定回答:No,主语+didn't.
如:Did they have a meeting two days ago? Yes,they did. / No,they didn't.
④特殊疑问句:特殊疑问词+did+主语+动词原形+其它?
如:What time did you finish your homework?