we are all looking forward to a great day out的look为什么加ing

问题描述:

we are all looking forward to a great day out的look为什么加ing

固定搭配是look forward to
此处look加ing是现在进行时
另外,这里的to 是介词,不是不定式的to,遇到动词也要加ing,变成动名词