I think we will need robots for cleaning the house.这句话中为什么用cleaning而不用clean?拜托帮我讲仔细相关知识点,越具体越好,

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/21 09:10:47

I think we will need robots for cleaning the house.这句话中为什么用cleaning而不用clean?拜托帮我讲仔细相关知识点,越具体越好,
I think we will need robots for cleaning the house.这句话中为什么用cleaning而不用clean?
拜托帮我讲仔细相关知识点,越具体越好,

I think we will need robots for cleaning the house.这句话中为什么用cleaning而不用clean?拜托帮我讲仔细相关知识点,越具体越好,
for是介词,介词后面加doing ,比如说before going to bed
所以用的是cleaning
这句话也可以写成I think we will need robots to clean the house

因为for是介词