over must forty be she连词成句

over must forty be she连词成句 连词成句 1.must she forty least be at 2.not he is than more twen I think she must be over forty.有语法错误吗 连词成句 must she be chang'e "She must be at least forty ."为什么要在must前加be? must,they,from,outer,be,creatures,space 连词成句 they,movie,be,must,making,a 连词成句 our must in her be teacher office连词成句 the,must be,cresture,strange,an alien 连词成句, 连词成句,wrong something with be there you must to over she fell tried skate but she(连词成句） she must have been forty.变反意疑问句!