had better 这里为什么是用had

had better 这里为什么是用had 为什么是had better do而不是have呢? You had better go to see a doctor right now为什么是had不是have? you'd better not .中的('d)是什么的缩写是had吗?为什么这里用had? mike,you have a cold and you_____ go out.its very cold outsideA.not had better.B.had not betterC.had better not.D.had better为什么这里用had过去式了? You had better have your shoes mended.mended为什么是过去式呢? You had better wear more clothes,It is (much too) cold today.这里用too much We had better go back to the station now, 这里为什么用to You had better see your doctor.I _____,but he said there was nothing wrong.这里用had还是have I think that the doctor had better see you句子里the doctor had better see you为什么是宾语从句 you had better give up trying to win the gamehad better 是什么语法?better 是比较级.trying为什么是加ing..GIVE UP 是动词? “The children had better go to bed early,” she said.请教一下这句话变成间接引语怎么变!had better这里怎么用 you'd better 是什么句型是什么句型better是副词吗?它修饰had吗?为什么是had?为什么不是have能用将来时吗you will have better to do可以用第三人称吗he has better to do to为什么可以省略 我知道 只有 let help you'd better do something 这里的'd是不是had? had better是“最好.还是”的 意思,had是have的过去式,这里为什么要用had,不要告诉我是规定噢. 1.we had better be careful.为什麽这里用be,而不是are?是因为had better 是情态动词,所以後面要跟be原型吗?be是am, is, are,的原型?2.下面,用a和one都对吗?one thousand pounds,a thousand poundsone thousand miles ,a thousand 为什么是had batter not to do?肯定句是had better do sth啊,为什么否定句就变成to do了呢? We had learned about 1200 english words by the end of last term为什么是过去的过去,我觉得这里用have learned就可以了呀