had better 的用法归纳1. had better的基本用法特点其意为“最好”、“应该”,后接动词原形,与情态动词should用法相似,其中的had通常缩略为 d。如:Youd better get some sleep你最好去睡一会儿。We had better go before it rains.我们最好在下雨前就去。2. had better如何构成否定式和疑问式构成否定式时,通常将not置于had better之后(而不是had之后);而构成疑问式时,则通常将had(而不是had better)置于主语之前。如:Id better not disturb him我最好别去打扰他。What had we better do? 我们最好怎么办? 【注】在否定疑问句或反意疑问句中可将not与had连用。如:Hadnt we better go now? 我们是不是现在就去呢? 3. had better后接进行式和完成式动词有时后接动词的进行式,表示最好马上做某事;也可接完成式动词,表示最好做完某事或本该做某事而