d) 以重读闭音节结尾的，前面有单个元音字 母时，双写辅音字母，再加 ed
stop ---- stopped
drop ------- dropped
beg-begged

admit - admitted
prefer; plan;
常用的时间状语等标志词：
1、by, before, when, by the time等构成的短 语或引导的从句。
2）也表示过去经常或反复发生的动作，常和 often, always等表示频度的时间状语连用。
构成：主语+谓语（动词的一般过去式）+其他
( )1． ＿＿＿＿＿＿your father at work the day＿＿＿＿yesterday﹖ A． Was; before B． Is; before C． Was; after D． Is; after
Eg. She said that she had learned English for years since he came to our school
注意：瞬间动词不能和一段时间状语，及since, for 引导的从句和短语连用。
time
past
now
现在完成时
time
过去的过去
过去
过去完成时
现在
现在完成时和过去完成时的区别：
Present Perfect tense and Past Perfect tense.
(1) She has taught English for 6 years. (2) “Where is Susan” “She has gone to America”.
Welcome to our class!
Revision:
一般过去时态
The simple past tense
一般过去式的用法
1）一般过去时表示过去某个时间发生的动作或 状态，常和表示过去的时间连用，yesterday, last night, in 1990, two days ago，just now,at that time等。
历届中考真题：
1：How long ____ you ____in the countryside before you came to our school?
A:had……taught B:have……taught C:did…….teach D: are……teaching
构成：had＋过去分词
1：I had learnt 5000 English words by the end of last week.
2：I hadn’t learnt 5000 English words by the end of last week.
3：Had you learnt 5000 English words by the
定义：
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”。
构成：had＋过去分词
构成：had＋过去分词
肯定式：主语+had+p.p.+….
否定式： 主语+hadn’t+p.p.+…. 一般疑问式： Had+主语+p.p.+…? 肯定答语： Yes, 主语+had 否定答语： No， 主语+hadn’t
end of last week ?
4：How many English words had you learnt by the end of last week ?
6:00
7:00
现在
By the time I got up, my sister had already washed all the clothes.
规则动词的变化 (regular verbs )： 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
4) After I had finished my homework, I went to bed.
2、 由said, told, knew, heard, thought 等引导的宾 语从句中。 Eg. He told me that he had heard of it.
3、 从过去开始， 一直持续到过去的另一时间 的动作、状态。常用since，for.
1.我到家时她已经去睡了。 By the time I got home, she had
already gone to bed.
2.到昨天晚上时消息已传遍全球。 By yesterday evening the news
had spread through the world.
过去分词的变化：
强调过去的动 作对现在的影 响，属于现在 的范畴。
(1) She said she had taught English for 6 years.
(2) By the time I got to London, she had gone to America.
以过去某时间 点为基点，强 调该基点之前 发生的动作或 状态。
1)By the time she came to the bus stop, the bus had already gone.
2) We had finished the task before last midnight
3) When I arrived at the post office, I found that I had left the letter at home
( )2.The twins＿in Dalian last year． They＿＿＿＿here now． A． are; were B． were; are C． was; are D． were; was
过去完成时态
The past perfect Tense
教学重、难点：
1.过去完成时的的巩固及运用。 2.过去分词的构成。 3.与现在完成时的区别