you'd better not .中的('d)是什么的缩写是"had"吗?为什么这里用"had"?

英语翻译You'd better not. 是you'd better not you’d better not come you'd better not .中的('d)是什么的缩写是had吗?为什么这里用had? You'd better ___(not go) out. you'd better not go home alone You'd better中的'd是什么意思? You'd better中的'd是什么意思? you'd better not do还是You'd better not to do 是you 'd better not do 还是you 'd better not to do you'd better not put on you coat为什么不是not better? You'd better not bother him 你最好去看医生.这句英语中的 'd 是哪个单词的缩写? You'd ___keep the door open.选择:A.better not to B.better not C.not better D.better to not但为什么?请说出理由和知识点! you'd better反意疑问句you'd better not smoke here,__________? You'd better do You'd better not do .是这样吗. had better/would betterhad better和would better一样吗,它们的缩写都是you'd better吗?had not better=would not better吗?would better可以所写成“you'd better”吗？ you'd better( )(not play )in the street.. You'd better _____ (not play) in the classroom.