初中过去完成时课件

过去分词的构成： 1. 规则动词的变化：
a) 一般情况下在动词后面加 ed work ------ worked play -------- played b) 以 e 结尾的动词直接加 d use ------ used refuse ------ refused c) 以辅音字母加 y 结尾的动词，把 y 改 i 再加 ed study ----- studied carry ----- carried d) 以重读闭音节结尾的，前面有一个元音字母时， 双写辅音字母，再加 ed stop ---- stopped drop ------- dropped 2. 不规则动词的变化见不规则动词变化表
2. 踢完足球之后我买了瓶果汁．
After had played _________ I ________ _________
bought a bottle of juice. football, I _________
Competition: If you think you can, you can. Go-Go !
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Competition: If you think you can, Competition: If you think you can, you can. Go-Go ! you can. Go-Go !
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句型转换
(10’/1)
1. He had stood up before he cleaned the window. _________ After he had stood up, he cleaned the window. 2. His father went to Beijing. He arrived home. (用before合并句子) His father______ ____ Beijing before had ______ gone to arrived home. he _________
强调过去某一个动作发生在另一个动作 之前，即 “过去的过去 ”，常与by、 before等构成的短语连用。
Competition: If you think you can, you can. Go-Go !
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用所给动词的正确形式填空．
1.The poor girl never saw her grandpa because had passed away (pass away) before he ________________ she was born. had cleaned (clean) the 2. She________ already___________ blackboard before I entered the classroom.
Which is the coldest place in the world?
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改错题(10’1)
1.We hadn’t seen something interesting in the park before last Sunday.
anythin g
2. When she woke up this morning, it stopped snowing.
By the time…
By the time he got outside, the bus had already left.
When…
Tom run away
the policeman get to the shop
When the policeman got to the shop, Tom had run away.
I had learned 4000 new words.
过去完成时的结构：
肯定： 主语＋had + p.p.+其它. 否定： 主语＋had not／hadn’t+ p.p.+其它. 疑问： Had+主语＋p.p.+其它? 肯定回答：主语+had
否定回答：主语+had not (hadn’t)
过去完成时的用法：
Before…
the concert be over
Liu Mei wake up
Before Liu Mei woke up, the concert had been over.
By the end of…
2012
2015
learn 4000 English words
By the end of 2015,
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பைடு நூலகம்
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用所给动词的正确形式填空．(10’/1)
had turned off 1. He_______________ (turn off) the lights before he left the classroom.
Had had 2. _________ your parents _______(have) lunch when you arrived at home?
Competition: If you think you can, you can. Go-Go !
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按要求改写下列句子．(5’/1)
Tom had finished his homework before he watched TV.
Tom hadn’t finished his homework before 否定句：he watched TV.
By the time she got outside, the bus had already left.
The bus had just left.
She ran to catch the bus.
By the time she got up, her brother had already gotten in the shower.
疑问句：Had Tom finished his homework before he
watched TV?
肯定回答： Yes, he had. 否定回答： No, he hadn’t.
Competition: If you think you can, you can. Go-Go !
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选择题(10’/1)
1. Mary_____________ some Chinese before she came to China. A. learned B. has learned C. learnt D. had learned
2. She ___________ the first runner-up prize in a beauty contest before she __________an actress. A. have won, became C. had won, became B. had won, become D. has won, became
She woke up late.
She wanted to use the bathroom but someone was in the bathroom.
She got to school and realized she had left her bag at home.
Which Which is is the the most most developed developed country country in in the the world? world?
had stopped
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翻译题(10’1)
1. 在我们到达电影院之前，电影已 经开始了．
had begun ________ before we The film ________ _________ got to the cinema. _____