动词过去式后的动词怎么弄?如:I helped him clean the room,为什么clean不用变?
动词过去式后的动词怎么弄?如:I helped him clean the room,为什么clean不用变?
I helped him clean the room为什么clean 是原形;那My teacher asked me
I helped my mum clean the rooms.为什么help用过去式clean却不用呢?
I saw him go out of the room.(第二个动词go为什么不用过去式..谢)
say和clean怎么变延续性动词
I helped my mother clean the room yesterday.还是I helped my mo
shall we clean the classroom now 后有now前面的动词clean
what did you do yesterday. I _ (clean) the room. 请用所给动词的正确形式
I helped him find his father.为什么find不用过去式?
Look!Someone ()(clean)the room、How clean it is now!动词填空.
Look!Someone ()(clean)the room .How clean it is now!动词填空
I clean the room 还是I am clean the room 为什么?不懂啊 仔细点