you'd better后面加动词的原形。you'd better全拼为you had better，中文翻译为“你最好”、“你最好脱掉你的外套”、“一定来啊”，后面接不带to的不定式，构成you had better do sth句型，意为你最好做某事。
you'd better的含义及双语例句
you'd better即you had better，意为你最好;你最好脱掉你的外套;一定来啊。后面接动词原形。例句有：
1、You'd better see a doctor about that cough.
你最好找医生治治你的咳嗽。
2、You'd better look sharp or you'll be late.
你得快点，不然就迟到了。
3、You'd better go to bed and nurse that cold.
你最好上床睡觉，把感冒治好。
4、You'd better get rid of that attitude and shape up, young man.
年轻人，你最好改掉那种态度，学学好。
5、You'd better check with Jane what time she's expecting us tonight.
你最好向简核实一下她今晚要见我们的时间。
6、Maybe you'd better tell me what this is all about
也许你应该告诉我这究竟是怎么回事。
7、You'd better consider this and factor this into your decision making.
你最好考虑一下这一点，并在做决定时将其考虑在内。
8、I think you'd better tell us why you're asking these questions.
我想你最好告诉我们你为什么要问这些问题。
9、You'd better learn a trade while you are young.
你最好趁年轻学一门手艺。
10、You'd better ask someone the way to the airport.
你最好问一下去飞机场怎么走。
