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 doing 的区别 do did does done doing这几个都是单词吗 did do does doing done哪两个是非谓语动词. Do,Did,Does造句! do,does,did Does she often______housework?A.doing B.do C.does D.did Did it take you two hours___your homework yesterdayA.did B.doing C.to do D.does Did she_______housework his morning?A.doing B.do C.does D.did what does he------[do/doing]? do does did的用法 do,does,did的用法, do does did的用法do does did的用法do does did的用法do does did的用法do does did的用法 英语动词原形过去式现在进行时三单如：do does did doing越多越好,列成表3q I helped him _____ his homework.A.doing B.do C.did D.does Lily can ____all kinds of things 急!A does B do C did D doing I often help my mother ______ the washing.A.doing B.does C.do D.did He usually spends much time___his lesson.a.doing b.to do c.does d.did 1.仿照例子,写出动词的形式.Model：do doing does did （1）be