7、.be动词过去式的句式。否定句:是在was/were后面加not,wasnot(wasn’t)/werenot(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。2).实义动词过去式的句式 e.g. Theyhadagoodtimeyesterday.否定式:主语+didnot(didn’t)+动词原形+其它。如:Theydidn’twatchTVlastnight.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. Di