1）在确定的过去时间里所发生的动作或存在的状态。例如：时间状语有：yesterday, last week, an hour ago, the other day, in 1982等。例如：
Where did you go just now? 刚才你上哪儿去了？
2）表示在过去一段时间内，经常性或习惯性的动作。例如：
When I was a child, I often played football in the street. 我是个孩子的时候，常在马路上踢足球。
Whenever the Browns went during their visit, they were given a warm welcome.
那时，布朗一家无论什么时候去，都受到热烈欢迎。
3）句型：It is time for sb. to do sth "到……时间了" "该……了"。例如：It is time for you to go to bed. 你该睡觉了。
It is time that sb. did sth. "时间已迟了" "早该……了" ，例如It is time you went to bed. 你早该睡觉了。
would （had） rather sb. did sth. 表示'宁愿某人做某事'。例如：I'd rather you came tomorrow.还是明天来吧。
4） wish, wonder, think, hope 等用过去时，作试探性的询问、请求、建议等，而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。例如：I thought you might have some. 我以为你想要一些。
比较：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： 用过去时表示现在，表示委婉语气。
1）动词want, hope, wonder, think, intend 等。例如：
Did you want anything else? 您还要些什么吗？
I wondered if you could help me. 能不能帮我一下。
2）情态动词 could, would。例如：
Could you lend me your bike? 你的自行车，能借用一些吗？
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