put可以作及物动词也能做不及物动词，作及物动词时意为“放；表达；移动；安置；赋予”，作不及物动词时意为“出发；击；航行；发芽”。那么，put的过去式和过去分词是什么呢？

过去式：put

过去分词：put

现在分词：putting

第三人称单数：puts

He was put off science by bad teaching. 

教学不好使他失去了对理科的兴趣。

It took two hours to put out the fire. 

用了两小时才把火扑灭。

Is there a place on the form to put your address? 

表格上有填写地址的空白吗？

Are you going to put in for that job? 

你想申请那份工作吗？

I'd like to put a business proposition to you. 

我想向您提个业务上的建议。

Start a new file and put this letter in it. 

建立一个新档案，把这封信放进去。

They haven't yet put a price on the business. 

他们还没有给这笔生意开价。

It's time to put our plan into operation. 

现在应该执行我们的计划了。

She always puts her children first. 

她总是把子女放在第一位。