do did does done doing这几个都是单词吗
do did does done doing这几个都是单词吗
do did does done doing这几个都是由do变化的那这里哪一个不是动词doing done究竟是动词还是
do did does done这四个都是动词吗
do did does doing done人家都说这几个是动词 那为什么有两个不能做谓语吖
did do does doing done哪两个是非谓语动词.
do did done这三个都是动词吗
do did does是不是可以直接做谓语 但done doing不能直接做谓语 have done be doing才
模仿下列词写出下列动词的变化形式 do-doing-does-did-done(英语)
do did doing does done 是不是有一些不是动词吖 不能直接做谓语
提问动词用what……do/done/doing 为什么不用did 可不可以what does
用do,does,doing,did填空.
do did does doing 的区别