ask for后面加什么?

ask for后跟名词，ask后面加动词的话，只能加动词不定式；

ask for 索要;求见，请求；

ask

v.问;询问;要求;请求;恳求(给予);征求

I know that this is a bad time to ask for help.

我知道在这时候要求帮助不合适。

You can ask for a chemical analysis of your tap water.

你可以要求给你的`自来水做化学分析。

Is it too much to ask for a little quiet?

请略微安静一点儿，这个要求过分吗？

You\'re quite within your rights to ask for your money back.

你完全有权要回你的钱。

I\'m going to ask for a rise.

我打算要求加薪。