牛津教材高一英语第二模块第三单元语法课件-牛津英语 .ppt

• 当我们谈论过去的动作或状态时，我们常用一 般过去时： • 同学们能说出下列动词的过去式 与过去分词吗？ • build blow catch buy choose cut cost • Come do go drive eat fall meet pay • Read ring rise send sing sit feel
• 过去完成时用来表示发生在过去某一动
作之前，但并不一定是很久之前。
• I had done my homework this morning before I went to the museum.
What did you do yesterday?
I enjoy shopping in the supermarket. Yesterday evening, I _______ （go） shopping near my home. I ______(be) busy all day long. So it _____ (be) a good chance for me to relax myself. There ____ (be) many people in the supermarket. Since I _____(have) enough time, I ______(feel) at ease. I ______(walk) here and there to see whether there _____(be) something I need. I ____ (fill) my basket with all the goods I chose.
过去时或现在完成时：
• “We emptied the tomb of everything it contained,” said Carter. • Carter said that they had emptied the tomb of everything it contained.
past
present
They emptied the tomb of everything it contained
Carter said that they had emptied the tomb
3 Here the past action didn’t happen a long time ago.
What did you do yesterday?
I _____(take) all my things with me. I ______ (decide) to go home by taxi.
At the moment, a guide(保 安)_____(stop) me and ____(tell) me that I ______(not pay). I felt very sorry that I ______(forget) it. I said I _____(think) I ______(do) it before I came out of the door.
past present
Carter’s lucky pet bird had led Carter to the site.
Carter’s lucky pet bird was eaten by a snake
• Compare: The Simple past & The Past Perfect tense
Hongze Foreign Language School •
云鸟
Grammar and Usage
• The Past Perfect Tense &
• The Present Perfect Tense
wk.baidu.com
• When we want to talk about past actions, we often use the Simple Past Tense ( V+ ed)
Structure
过去完成时：had +V-ed 1.The past perfect tense is often used • 我们用过去
with the simple past tense. If one action happens before another in the past, the past perfect tense is used.
More examples
had taught • By the end of last year, I _______for 15 years. • When I came back home, my already finished favourite TV program had __________.
>----|-------|-----|---past present
完成时来表 示发生在过 去另一动作 之前的动作
The past perfect tense shows us 过去的过去
• Upon entering the tomb, Carter’s lucky pet bird, which had led him to the place, was eaten by a snake.
More examples • He was not worried at all. He ____________ preparations. had already made
• 2。We can also use the past perfect tense in reported speech to refer to an action that had already happened at the time of speaking. We can change the simple past tense and present perfect tense in direct speech to the past perfect in reported speech. • 我们用过去完成时来转述别人话中的一般