should是助动词?

should是助动词? should you have any queries.句中的should是助动词还是情态动词? 助动词表将来时,should是shall的过去时,那么情态动词should是过去式么 why 是助动词吗 will是助动词吗? be是助动词吗 助动词是?怎么用 哪些词是助动词 would是情态助动词吗?He should have known that the police would never allow this sort of thing. 助动词后的动词一定要还原?不管什么情况下 遇到助动词如:be,have,do,shall,will,should,would 后 ,后面的动词一定要还原 是有这样的说法吗?如果不对请指教 复制者无视 have has 是助动词吗 will是时态助动词吗? will是时态助动词吗? do在这里是助动词? 英语中什么是助动词?Will是助动词吗? 薄冰说shall should will would 是助动词 它们不是情态动词吗 情态动词后面是否可以构成否定句 (就是加not呢) 怎么分别would、should是情态动词,还是助动词啊?这两个词还有什么用法?在虚拟语气中算什么词? will是助动词吗?so+助动词+主语中的助动词可以用will吗?