must怎么用 must的疑问句及肯定回答

如题所述

第1个回答  2020-06-17
may:----yes,you must ----no,you can't must:做推测讲译为“一定” ---yes,he must ---no,he can't 做必须讲译为“必须”
must为情态动词,后跟动词原形.