解放军文职考试：must在表"推测"时，根据其推测的情况来确定反意疑问句。

　　He must be there now, isn't he?

　　It must be going to rain tomorrow, won't it?

　　快速记忆表

　　陈述部分的谓语 疑问部分

　　I aren't I

　　Wish may +主语

　　no,nothing,nobody,never,

　　few, seldom, hardly, 肯定含义

　　rarely, little等否定

　　含义的词

　　ought to(肯定的) shouldn't/ oughtn't +主语

　　have to+v.(had to+v.) don't +主语(didn't +主语)

　　used to didn't +主语或 usedn't +主语

　　had better + v. hadn't you

　　would rather + v. wouldn't +主语

　　you'd like to + v. wouldn't +主语

　　must 根据实际情况而定

　　感叹句中 be +主语

　　Neither…nor,

　　either…or 连接的根 据其实际逻辑意义而定

　　并列主语

　　指示代词或不定代词

　　everything,that, 主语用it

　　nothing,this

　　并列复合句 谓语根据邻近从句的谓语而定

　　定语从句,宾语从句的

　　主从复合句 根据主句的谓语而定

　　think,believe,expect,

　　suppose,imagine等引导 与宾语从句相对应的从句

　　everybody,anyone,

　　somebody,nobody,no one 复数they,单数he

　　情态动词dare或need need (dare ) +主语

　　dare, need 为实义动词do +主语

　　省去主语的祈使句will you?

　　Let's 开头的祈使句Shall we?

　　Let us 开头的祈使句Will you?

　　there be 相应的谓语动词+there(省略主语代词)

　　否定前缀不能视为否定词 仍用否定形式

　　must表"推测" 根据其推测的情况来确定反意疑问句