What are you  going to  do with  that  vase, Penny?

I'm  going to  put it on this table, Sam.

Don't do that.

Give it tome.

What are you  going to do with it?

I'm going to  put  it here, in  front of the window.

Be careful!

Don't drop  it!

Don't  put  it there, Sam.

Put it here,on this shelf.

There we are!

It's alovely vase.

Those  flowers are lovely, too.

 

front n. 前面

in front of 在……之前

careful adj. 小心的，仔细的

vase n. 花瓶 

drop v. 掉下

flower n. 花

 

祈使句

1 普通动词原形+其它（名词或代词）

2 be 动词 + 形容词

Help me!

Be careful!

Be quiet!

Be quick!

祈使句的否定形式是在其前边加 Don't.

Don't be silly!

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to do with 助动词

Don't dothat. 实义动词