"my mother has a lot of housework to do every week"中为什么用"to do",而不用"do"
问题描述：
"my mother has a lot of housework to do every week"中为什么用"to do",而不用"do"
答
不定式to do 作宾语补足语，简称宾补。
答
翻译过来时“我妈每周都有很多家务要做”，表示将来的情况，不定式表示将来所以不用do
答
have sth to do 有什么要做 固定短语