查字典中考网整理了关于2020年中考英语知识点之过去进行时四大句型，希望对同学们有所帮助，仅供参考。
过去进行时四大句型
肯定句：
主语+was/were+doing+其他
We were having class at this time yesterday.
昨天这个时候我们正在上课。
否定句：主语+wasnt/werent +doing 其他We werent having class at this time yesterday.
我们昨天这个时候没上课。
一般疑问句：
Was/ Were +主语+doing+其他？
Yes, 主语+was/were. /No, 主语+wasnt/werent .
-Was John doing his homework at 8:oo yesterday evening?
-Yes, he was./ No,he wasnt.
特殊疑问句：特殊疑问词+was/were +主语+doing+其他?
What were you doing when I called you last night?
昨天晚上我给你打电话的时候，你正在干什么？