【手机用户】→点击进入免费试听>>【CET4】 * 【CET6】 【电脑用户】→点击进入免费试听>>四六级考试课程! had better had better 相当于一个助动词,它只有一种形式,它后面要跟动词原形。 had better do sth had better not do sth It is pretty cold. You‘d better put on my coat. She‘d better not play with the dog. had better have done sth表示与事实相反的结果,意为"本来"。 You had better have come earlier.
2017年6月英语六级语法知识:had better.doc