Bequiet.

Becareful.

祈使句中如果有唤语，一定要用逗号隔开，放在句首或者句尾：Comein,Amy.

Sitdownhere,Tom.

Mary,givemeabookplease.

★否定：Don't+动词原型

Don'tcomehere.

Don'tsitdown.

Don'tstandup.

Don'tgivemeit.

letsb.do让某人做

Letmepass.

Letushavearest.

Let'shavearest.

反意疑问：

Let'shaveawalkalongtheriver,shallwe? Letusgooutforadrink,willyou?

so/neither的倒装

倒装句：so/neither的倒装

eg:Hecanswim.SocanI.

Shedidn'tgotoclass.NeitherdidI.

结构：