内容正文:
Unit3 Amazing people Grammar and usage
【学习重难点】
How to use Past Perfect Tense correctly.
【学习目标】
Learn to use Past Perfect Tense.
【学习过程】
Step 1: Lead in (分层次问题学习A)
By the end of last term we had learned 2000 words.
The train had left when we got there.
Step 2: Structure and usage(分层次问题学习B)
定义:
1.表示在过去某一时刻或动作之前已经完成了的动作,即“过去的过去”。
①The film had already begun when I got there.
②They had left before I returned.
③We had finished the work by last month( by the time he came.)
2.表示由过去某一时间开始,一直延续到过去另一个时间的动作或状态。
I had been at the bus stop for 20 minutes when a bus finally came.
基本用法:
1.在told, said, knew, heard, thought等动词后的宾语从句。
She said (that) she had never been to Paris.
2.状语从句
在过去不同时间发生的两个动作中,发生在先,用过去完成时;发生在后,用一般过去时。
When the police arrived, the thieves had run away.
She didn’t go to bed until she had finished his work.
3.表示意向的动词,如hope, wish, expect, think, intend, mean, plan, intend, suppose, want等,用过去完成时表示表示过去未曾实现的愿望、打算、想法等。
I had meant to come, but I was too busy.
我原打算来的,但太忙了。( mean )
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