hadbetter后面加动词什么形式
2024-03-06 20:56:09 学考宝 作者:佚名
had better的意思是(用于建议、警告、威胁、发表意见等)最好。had better加动词原形,had better do sth最好做某事。
had better的用法
had better(常简略为'd better)是一固定词组,had better"最好",用于表示对别人的劝告、建议或表示一种愿望。
一、had better后面必须跟动词原形。
had better后跟动词原形(即不带to的不定式),构成had better do sth.句型。
这里的had不能用have来替换。如:
You'd better go to hospital at once.你最好立即去医院看病。
Tom, you'd better go there today.汤姆,你最好今天去那儿。
二、主语不论是第几人称,句子不论是什么时态,都要用had better的形式。如:
Now you(he,we) had better listen to the teacher.你(他,我们)现在最好听老师讲。
三、had better可用于的时态。
1.had better用于指现在。如:
Now you had better listen to the radio.你现在最好听收音机。
You had better be quiet.你最好安静一些。
2.had better用于指将来。如:
You had better start tomorrow.你最好明天动身。
We had better buy the more expensive one. It will last much longer and so it will be cheaper in the end.我们最好还是买贵些的,它更经久耐用,所以到头来,它还是更便宜些。
3.had better用于进行式,表示讲话人提出建议时,动作正在进行。如:
We had better be watching the TV play.我们最好现在就看到电视剧。