sb has been doing是什么时态-标签分类-2025-12-10 07:30
必应
when sb doing 还是do,
has been doing 什么时态,
has been doing 是什么时态,
has sb do和 have sb done的区别,
there is sb do还是doing,
have sb to do和have sb doing区别,
have sb doing sth什么意思,
have has been doing是什么时态,
have sb doing 和have sb do,
it takes sb some time to do还是doing,
have sb to do还是do,
sth happen to sb什么意思