高一一道简单英语题

来源:百度知道 编辑:UC知道 时间:2024/06/28 04:18:51
Home shopping television networks have became a away fodr many people to shop without ever_______(have) to leave their homes.
为什么要填having

因为前面是介词without,所以后面的动词要用名词形式,也就是ing形式。

without + Ving

without 后面的动词要加 ing

介宾

前面有without
后面应该是名词,动名词短语,to do
原态是have 即动词 因此变形为动名词 having