shall; should; must
否则根据时态借助动词 do, does, did)
一般现在时:(单三:does; 非单三:do) 一般过去时: did
(主语需换为代词主格形式)
there be句型除外
陈述部分主语
不定代词everyone, everybody, someone, somebody, anyone, anybody, no one, nobody … 不定代词everything, anything, nothing, something, this, that
There isn't any milk left, is _____?
This is a book,isn’t ____? These are not birds, aren’t _____? My sister is a girl, isn't _____?
遵循“前肯后否,前否后肯”的原则
(否定祈使句)
规律:祈使句的反意疑问句,除Let’s开头 的句子以外,其他句子的疑问部分一律用 will you即可
practice:
1.Let's go out for a walk, ______? 2.Let us go out for a walk, ______? 3.Turn on the radio, ______? 4.Let's discuss it after the meeting,______ ? 5. Let me go,________? e here please, _________? 7.Don’t open the door,____________? 6.John, clean your room, _________?