was/were后接doing还是did
was/were后接doing还是did
did,was,were后接的动词用过去式还是用原型?
were sb doing还是were sb did sth?
过去时after后加did还是doing?
If和wish后用were还是was
I + were还是was?
What ___ the man and the cat doing,添was 还是 were
怎样区分疑问句中使用am is are was were还是do does did呢?
it's time that 从句用虚拟语气did .那从句中是用was 还是were?
过去时态时,there were sb 接doing还是什么?
特殊疑问词+was/were+主语+doing
was、were与did用法的区别