作业帮过去时
来源：学生作业帮 编辑：拍题作业网作业帮 分类：英语作业 时间：2024/05/01 07:44:17
英语的过去时态有那些？
解题思路： 要根据典型的例句进行掌握。
解题过程：
过去时态包括一般过去时、过去进行时、过去完成时和过去完成进行时四种时态，
一、一般过去时态。在过去时间里所发生的动作或存在的状态。
时间状语有：yesterday, last week, an hour ago，the day before yesterday,in 1997。
1由 be的过去式是 was或 were表示。Is\ am---was;are---were.
陈述句：I was a big boss.He was beautiful. We were in Beijing last year.
否定句: I was not at home at that moment. We were not at work yesterday.
一般疑问句: Were you a teacher? Was she in the office last week?
特殊疑问句：Where were you last night? When were you in that company?
2 由V的过去式构成陈述句，疑问句和否定句用借助于did,有did出现动词用原形。
陈述句：I worked in Sunmoon.We studied English there. He lived in HongKong.
否定句: I didn’t work here. They didn’t see me. She liked English a lot.
一般疑问句: Did you go to America? Did he work in Sunmoon?
特殊疑问句：Where did you work? What did he say to you? How did you know my name?
3 由情态动词的过去式构成，can—could.
She could walk when she was one year old. I could not speak English one year ago.
二、 过去进行时态：过去一段时间正在发生的动作。
构成：was/were+Ving
I was doing my homework at that time.
What were you doing at that moment?
三、 过去完成时态：发生在过去的过去。
构成：had + done
He said he had told Davy. They told us they had finished the work.
四、过去完成进行时
过去完成进行时是由"had been + 现在分词"构成。
She had been suffering from a bad cold when she took the exam.
她在考试之前一直患重感冒。
学习进步！天天快乐！
最终答案：略
解题过程：
过去时态包括一般过去时、过去进行时、过去完成时和过去完成进行时四种时态，
一、一般过去时态。在过去时间里所发生的动作或存在的状态。
时间状语有：yesterday, last week, an hour ago，the day before yesterday,in 1997。
1由 be的过去式是 was或 were表示。Is\ am---was;are---were.
陈述句：I was a big boss.He was beautiful. We were in Beijing last year.
否定句: I was not at home at that moment. We were not at work yesterday.
一般疑问句: Were you a teacher? Was she in the office last week?
特殊疑问句：Where were you last night? When were you in that company?
2 由V的过去式构成陈述句，疑问句和否定句用借助于did,有did出现动词用原形。
陈述句：I worked in Sunmoon.We studied English there. He lived in HongKong.
否定句: I didn’t work here. They didn’t see me. She liked English a lot.
一般疑问句: Did you go to America? Did he work in Sunmoon?
特殊疑问句：Where did you work? What did he say to you? How did you know my name?
3 由情态动词的过去式构成，can—could.
She could walk when she was one year old. I could not speak English one year ago.
二、 过去进行时态：过去一段时间正在发生的动作。
构成：was/were+Ving
I was doing my homework at that time.
What were you doing at that moment?
三、 过去完成时态：发生在过去的过去。
构成：had + done
He said he had told Davy. They told us they had finished the work.
四、过去完成进行时
过去完成进行时是由"had been + 现在分词"构成。
She had been suffering from a bad cold when she took the exam.
她在考试之前一直患重感冒。
学习进步！天天快乐！
最终答案：略