You had better do sth中的had是什么词性?请专业人士回答哦！

you had better not to do something 对还是you had better to not do something you had better (do)your homeworkyou had better (do)your homework first had better do=? can you help me[to]learn English?canyou help me----- ------ ------ had better do,had better not you had better not to spend...you had better not to spend too much time...you had better not spend too much time 以上两个句子哪个正确had better not do sth还是had better not to do sth you had better do not play cards改错 you'd better do something 这里的'd是不是had? 变一般疑问句:You had better do it. You had better start to do it right now.翻译. you'd better do something 中的d是不是had? You had better do once more的同义句 you'd better do something 中的d是不是had? you had better make you had better you would better you had better 都什么时候用,意思一样吗,you'd better do sth是哪个缩写? you would do better to do 和you had better do是一个意思吗,能呼唤吗 是had better to do还是had better do had better do还是had better to do