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 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 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
do did does done doing这几个都是单词吗
模仿下列词写出下列动词的变化形式 do-doing-does-did-done(英语)
did do does doing done哪两个是非谓语动词.
do did doing does done 是不是有一些不是动词吖 不能直接做谓语
do did does done这四个都是动词吗
do是动词原型 did动词过去式 done是动词的过去分词 doing是现在分词 都对吗
提问动词用what……do/done/doing 为什么不用did 可不可以what does
非谓语动词,doing to do done 的用法区别
非谓语动词,to do doing done的区别
do did done这三个都是动词吗