had better后加动词什么形式

1、had better/'d better+动词原形是固定搭配 表示最好做某事2、had better do sth 最好做某事3、例如:You had better refrigerate the beer before drinking it.喝啤酒前你最好先把它冷冻一下had better后接不带to的不定式:had better do sth。

例句:

1. you had better be careful.2.It’s five o’clock.I’d better go now before the traffic gets too bad.用法(1) had better 用于提出建议或请求时,并不是一个很客气委婉的表达,它暗示对方有义务去做某事,所以通常用于长辈对晚辈或上级对下级等,而不宜反过来用。

(2) had best与had better用法和含义均差不多,但不如had better普通:You had best get home before midnight.你最好在午夜之前回到家里。We had best be going.我们最好现在就走。

(3) 有时可省略其中的had:You better stop arguing.你们最好不要争论了。Better not wait for him. 最好不要等他了。Better say yes, if they ask you. 如果他们问你,你最好说“是”。

(4) 有时为了强调,可将better置于had之前:"I promise I’ll pay you back." "You better had." “我保证还给你。”“你最好还给我

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