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祈使句：主语通常不直接表示出来，其谓语动词用原型，也叫无主句。表示命令、请求、建议、叮嘱等。祈使句真正的主语是你，但省略了。
My umbrella and my coat please. 省略了动词和间接宾语的祈使句。
Keep off the grass! 请勿践踏草地！
Help yourself! 请自己动手！
某些祈使动词可以后跟and和另一个祈使动词，而不是后跟带to的动词不定式结构。
Come and see this goldfish.
Go and buy yourself a new pair of shoes.去给自己买双新鞋吧。
Wait and see. 等着瞧吧。
here is 是简单的倒装句，be 动词放在 here 的后面，这个句式就可以成为简单的倒装句式。
My ticket is here. 我的票在这。
Here is my ticket. / Here's my ticket.
My coat and my umbrella please.
Here is my ticket.
Thank you, sir. Number five.
Here's your umbrella and your coat.
This is not my umbrella.
Sorry, sir.Is this your umbrella?
No, it isn't.
Is this it?
