骂我ttmm
幼苗
共回答了13个问题采纳率:92.3% 举报
the trousers were being mended by my mother.
1 现在进行时主动变被动就是在助动词后面加being,表示动作正在进行.
2 过去完成时和将来完成时都是是在助动词后面加been,如 i had finished the housework.变为 the housework has been finished by me.
3 过去进行时的主动变被动和现在进行时是一样的
4 一般将来时就是在主动词后面直接加be,如 i will finish the housework.变为the housework will be finished.
动词都要用过去分词形式
1年前
2