keep work过去式当keep和work在一句话里,keep在work前,那个变哪个不变?

来源：学生作业学帮网编辑：学帮网时间：2024/05/16 02:07:55

keep work过去式
当keep和work在一句话里,keep在work前,那个变哪个不变?

看我的例句
He keeps working.
He kept working.

应该是kept work吧

keep working 吧过去式 kept working

keep work过去式当keep和work在一句话里,keep在work前,那个变哪个不变? keep的过去式谁知道? keep out 过去式是什么? keep的过去式是什么 keep sing的过去式 keep的过去式 keep的过去式是什么? keep 保持的过去式? 求下列动词的过去式和ing形式．wait.borrow.keep.work.die.wait.pick.try.return.take keep keep keep keep keep keep keep Keep keep