英语语法大全：一般过去时

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　　一般过去时过去做某事

　　A、构成形式：主语+动词的过去式+其他。

　　注意：没有be动词的否定句和疑问句中，用didnt否定和用did提问后，动词一定要用原形。

　　B、判断依据：

　　(1)be动词是was、were;

　　(2)动词加ed;

　　(3)有表示过去的时间状语，现在学过的常用的表示过去的时间状语有：just now，a moment，yesterday，last week，last night，last weekend，last year，last month，three days ago，two weeks ago，five years ago

　　C、句型变换：

　　I was a teacher five years ago.

　　I wasnt a teacher five years ago.

　　Were you a teacher five years ago?

　　Yes, I was. / No, I wasnt.

　　They played many games yesterday.

　　They didnt play many games yesterday.

　　Did they play many games yesterday?

　　Yes, they did. / No, they didnt.

　　1)在确定的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 other day, in 1982等。

　　例：Where did you go just now?

　　2)表示在过去一段时间内，经常性或习惯性的动作。

　　例：When I was a child, I often played football in the street.

　　Whenever the Browns went during their visit, they were given a warm welcome.

　　3)句型：

　　It is time for sb. to do sth 到时间了，该了

　　It is time sb. did sth. 时间已迟了，早该了

　　例：It is time for you to go to bed. 你该睡觉了。

　　It is time you went to bed. 你早该睡觉了。

　　would (had) rather sb. did sth. 宁愿某人做某事

　　例：Id rather you came tomorrow.

　　4)wish, wonder, think, hope 等用过去时，作试探性的询问、请求、建议等。

　　例：I thought you might have some. 我以为你想要一些。

　　【比较】

　　一般过去时表示的动作或状态都已成为过去，现已不复存在。

　　Christine was an invalid all her life.(含义：她已不在人间。)

　　Christine has been an invalid all her life.(含义：她现在还活着。)

　　Mrs. Darby lived in Kentucky for seven years.(含义：达比太太已不再住在肯塔基州。)

　　Mrs. Darby has lived in Kentucky for seven years.(含义：现在还住在肯塔基州，有可能指刚离去。)

　　注意：用过去时表现在，表示委婉语气。

　　1)动词want, hope, wonder, think, intend 等。

　　例：Did you want anything else?

　　I wondered if you could help me.

　　2)情态动词 could, would.

　　例：Could you lend me your bike?