shall,must,will,would,can,could,委婉程度怎么样,是不是用can最委婉,那shall呢

为什么can will shall must没有过去分词?must 过去式都没有. shall,must,will,would,can,could,委婉程度怎么样,是不是用can最委婉,那shall呢 can、will、would、shall、may、must等助动词具体怎么用,还有do和have, 情态动词造句can (could),may (might),must shall (should,will (would) need do与can、will、would、shall、may、must助动词用法一样吗 有什么区别 fight,lead,must,set,shall,wear,will的过去式和过去分词分别是什么 can ,may ,must ,have to ,shall ,will ,need的英语语法?表示本意和猜测. 情态助动词用法?can,shall,need,must,will,may,have to的用法 ___ you play football with us?A.will B.do C.Shall D.Must为什麼要选will may;must;shall;的过去式 英语翻译shall,will用法 will would ; shall should ; can could ; must need ; may might以上每组有什么区别,分别应用在什么时候? 情态动词(must,may,can,shall,might,could,will,should,need)引导的一般疑问句的肯定和否定回答 We must have a person _____ them build the house.A.seeB.to seeC.will seeD.shall see shall should will would can could may might must You ___put down your name on the examination paper No person _____ bring drinks into the student computer pool.A.will B.may C.shall D.must ____ you type this for me?A.do B.shall C.will D.must 想知道为什么A,B不行. shall和will的区别