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?

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

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 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 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