must not be 的用法A warning: the root must not be cut into smaller pieces.要注意的是：根部务必不能切成小块.请问must not be cut into smaller pieces. be 和Cut 都是动词,为什么有动词Cut ,前边还要加Be 动词?

must be的用法 must not和need not的用法 must not be 和 can not be 的用法区别举几个实例 好说明 谢谢了同志们 must not be 的用法A warning: the root must not be cut into smaller pieces.要注意的是：根部务必不能切成小块.请问must not be cut into smaller pieces. be 和Cut 都是动词,为什么有动词Cut ,前边还要加Be 动词? 关于英语词汇的用法——You must be tired out yesterday——oh,（ ）.I felt very tired.A.not a bit B.not at all C.not a little D.not nearly 怎么选 A good story does not necessarily have to have a happy ending,but the reader must not be left____.A.unsatisfied B.unsatisfying C.to be satisfying D.satisfiedleave的用法都有哪些? must be的用法和意义 must跟must be的用法有什么区别? 关于情态动词的用法You _____ be tired; you have been working for so long a time,but he _____ be tired; he has just begun to work.A.may not; must B.must; may notC.can’t; must D.must; can’t我选的是B 但是 我知道的是can 表示逻 选择 Such films _____ by children like you.A.must be not seen B.must not be see C.must not seen D.must not be seen There must be a lot more fun than taking a bus. 1.must在这的用法 2.more在这的用法 4.为什么是taking can be ,must be,cannot be,must not be 的区别 not be和not to be的区别和用法 Be a must to sth 有这种用法? must be的用法和must have been的用法是什么? These magazines_____out of the reading-room A.must not take B.must not be taken C.must not take may not.can not.must not .need not用法的区别请简洁 be good for加not的用法