don't的过去式
not的过去式是don't吗
求don't的现在分词和过去式.
did后面的动词要加过去式吗,那didn't呢还有don't呢,要加过去式吗
didn't的过去式
CRY & 形式Don't you cry 的cry要不要转换成过去式或ing形式?
We don't have a TV when we was young.这句话的过去式怎么说?
when you leave the room,don't take your things的过去式 明天要交啊
they don't live there now改为过去式
Don‘t don的发音?
don't和not有什么区别?don't或not有过去式、未来式吗
can't的过去式是什么?