ought to,had better,have to的否定形式,给几个例句;had better后必须加动原吗?
ought to,had better,have to的否定形式,给几个例句;had better后必须加动原吗?
ought to should had better must have to 的区别
shoule ought had better have to must的区别
had better,should,ought to的用法.
should,ought to ,had better的区别
ought to ,should,had better 有什麽区别?
关于should had better ought to 的区分,
should,could,had better,ought to 的区别,
选用“should”“ought to”“had better”“have to”“must”及其否定式填空.
should,ought to,had,better肯定否定各造一句(汉语也写)
had better 的否定形式怎么加?
had better 后接__,其否定形式为had better____