ask后面加动词的话,只能加动词不定式。
ask释义：问，询问，要求，请求，恳求(给予)，征求。
语法：ask用作及物动词，其后可接名词、代词、带或不带疑问词的动词不定式或that/wh-从句作宾语，that从句中常使用虚拟式。
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。
Do you want me to ask the guv'nor about it?
你想让我就这事问问老板吗？
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。
I'd asked everybody but only two people came.
每个人我都请了，却只来了两个人。
He asked several questions concerning the future of the company.
他问了几个有关公司前途的问题。
They asked for a progress report on the project.
他们索要工程进度报告。
He came up to me and asked for a light.
他走到我跟前来借火。
温馨提示：
