初中英语人教新目标 (Go for it) 版九年级全册Section A课堂教学ppt课件

这是一份初中英语人教新目标 (Go for it) 版九年级全册Section A课堂教学ppt课件，共21页。PPT课件主要包含了got up，had，left，had left，watch，practice，study---，如stop，去y变i+ed，stud等内容，欢迎下载使用。

1. By the time I______, my brther ______________________.
had gtten in the shwer
Past perfect tense
2. By the time I__________, the bus ____ already_____.
3. By the time I___________, I realized I ________ my backpack at hme.
请判断右边的这句话是用什么时态?
The muse has been ut f the huse when the cat is blcking the muth f the cave.
从句用正在进行时,主句用现在完成时。
1. 构成：had＋过去分词2. 用法：过去完成时可以表示过去某一时刻或某一动作之前完 成的动作或呈现的状态。也就是说发生在“过去的过去”。
Ⅱ.知识讲解：Past Perfect Tense 过去完成时
The muse has been ut f the huse when the cat is blcking the muth f the cave.
请根据谓语动词的公式（谓语动词 = 助动词+实意动词）和主谓一致，分析谓语动词的形式中起主要作用的因素是什么？
The mice have been ut f the huse when the cat is blcking the muth f the cave.
主语由muse变成mice，助动词“has” 变成“have”.由此可知:谓语动词的形式中起主要作用的是助动词。
The muse has been ut f the huse when the cat is blcking the muth f the cave.
请根据谓语动词的公式（谓语动词 = 助动词+实意动词） ，把时间改为过去，分析谓语动词的形式的影响因素。
The muse had been ut f the huse when the cat was blcking the muth f the cave last night.
has/have + dne
had + dne
时间从现在变成last night ，助动词has/have变成had，dne不变。由此可知：时间改变，谓语动词的形式的影响因素还是助动词。
思考：过去完成时谓语动词的形式had dne中的实意动词为什么要用过去分词dne呢？
老鼠的动作先于猫的动作,主句的动作先于从句的动作。所以主句的实意动词都要用dne。”
The muse has been ut f the huse when the cat is blcking the muth f the cave.
The muse had been ut f the huse when the cat was blcking the muth f the cave last night.
句2中，猫的动作是过去发生的，而老鼠的动作先于猫的动作，发生在过去的过去，所以要用过去完成时。
Tina had a terrible mrning.
What happened t her?
By the time she gt up, her brther had already gtten in the shwer.
by the time, get up, get in the shwer…
根据图画和所给的提示，用过去完成时造句。
by the time, the bus left…
By the time she went utside, the bus had already left.
规则动词的过去式，过去分词
1)一般情况在动词V原形后+
2)以不发音e结尾的+
3)以辅音加y结尾的,
4)以重读闭音节结尾，末尾只有一个辅音字母,
1. build ________ _________make ________ _________
2.speak ________ ________write ________ ________3. cut ______ _______ bet ______ ______
built built
made made
spke spken
wrte written
cut cut
不规则动词的过去式和过去分词：
A B B
A B C
A A A
A B A
run ______ ______ becme _______ _______
ran run
became becme
bet bet
形式多样，找规律，分门别类，要牢记！
3.与过去完成时连用的时间状语
1. I had finished reading the nvel by nine ’clck last night.2. We had learned ver tw thusand English wrds by the end f last term.3. They had planted six hundred trees befre last Wednesday. 　
befre + 过去时间
by the end f + 过去时间
4.过去完成时态的用法：
1)表示过去的过去，通常由when或by引导的短语或者从句作时间状语或时间状语从句① By the end f last year, I had learned abut ne thusand English wrds.② By the time he was twenty, he had wn abut ten medals.③ When I gt there, they had already left.
2)常用在宾语从句中① He tld me he had already finished his hmewrk.② I realized he had fled me again.3)体现在上下文中 I didn’t g t the mvies yesterday because I had seen it twice.
请用表格归纳过去完成时谓语动词的形式。
记忆技巧：had是过去，dne是完成，过去完成式,had加上dne。
1. He _____mre than 5,000 English wrds when he entered the university at the age f 15. has learned B. wuld have learned C. learned D. had learned
2. We ___________(learn) tw thusand wrds by the time I went t Middle Schl.
用括号内的单词的正确形式填空。
had learned
3.到我回家时，她已经去睡觉了。By the time I gt hme, she _____ already _______t bed.
根据句意，完成下面的句子。