新概念英语第一册L120课件(共32张PPT)

(共32张PPT)
exercise book
[ eks sa z - b k]
n. 练习本
读对单词
帮助警察逮捕小偷
platform
读对单词
帮助警察逮捕小偷
housework
读对单词
帮助警察逮捕小偷
price
读对单词
帮助警察逮捕小偷
examination
读对单词
帮助警察逮捕小偷
correct
读对单词
帮助警察逮捕小偷
train
读对单词
帮助警察逮捕小偷
exercise book
读对单词
帮助警察逮捕小偷
holiday
读对单词
帮助警察逮捕小偷
quickly
读对单词
帮助警察逮捕小偷
arrive
ask the price
I asked the price of the car, but they
had already sold it.
but , already , sold
run to , quickly
I ran to the platform quickly, but the
train had already left.
but , already , left
give , exercise books
He gave us our exercise books after he had corrected it.
after , correct
go on holiday
She went on holiday after she had taken the examination.
after , examination
finish the housework
She had finished the housework before she went out.
before , go out
have dinner
We had had dinner before they arrived.
before , arrive
今天，Tracy遇到了很多不开心的事情，到了晚上她想写一篇日记。请你根据下面表格的信息，帮Tracy记录她的经历吧！
A bad day
早上起床时，弟弟已经吃完最后一根香肠了。 到达站台时， 公车已经开走了。 赶到学校时， 老师已经开始上课了。 找好朋友一起回家，但她已经离开了。
Something unhappy happened to me today. When I got up in the morning, my brother John had eaten the last sausage. After breakfast, I ran to the bus stop. But the early bus had already left. So when I got to school, the lesson had started . After school, I wanted to go home together with my friend Lisa. Unluckily, she had already left before I asked her. What a bad day!
过去完成时的概念：
过去完成时表示到过去某一时间动作已经完成或延续到某一过去时间的动作或状态，它表示句子中描述的动作或状态发生在“过去的过去”。
构成：
had + done（过去分词）
过去完成时的句式：
肯定句：主语 + had + v.-ed + 其他
When he came in, I had waited for two hours.
他进来时，我已经等了2个小时了。
We found that we had lost our way.
我们发现我们已经迷路了。
过去完成时的句式：
否定句：主语 + had not + v.-ed + 其他
He had not finished the work by 11:00 yesterday evening.
到昨天晚上11点他还没有完成工作。
When I got to the field, the football match hadn’t started.
我们到达赛场时，足球赛还没有开始。
过去完成时的句式：
一般疑问句：Had + 主语 + v.-ed + 其他
-Had he been to France before that year
-那年之前他去过法国吗？
-Yes, he had. / No, he hadn’t.
-是的， 他去过。/ 不，他没去过。
过去完成时的句式：
特殊疑问句：疑问词 + had + 主语 + v.-ed + 其他
-What had Lily done before she went to bed last night
昨晚莉莉睡觉前做了什么？
-She had cleaned the room.
她打扫了房间。
过去完成时的用法：
表示在过去某一时间或动作之前已完成或结束的动作。常用的时间状语有以下几种:
① 用by, before等构成的短语
Linda had learned 10 Chinese songs by the end of last month.
到上个月底，琳达已经学了10首中文歌。
He had repaired the machine before midnight.
他在半夜之前已经修好了那台机器。
② 用when, before, after等引导的时间状语从句
The train had left before we reached the station.
在我们到达车站之前，火车已经开了。
When the bell rang, we had finished our work.
我们刚干完活，铃就响了。
过去完成时的用法：
表示一个动作或状态在过去某时之前已经开始，一直延续到这一过去时刻，而且到那时还未结束，仍有继续下去的可能性。
常与since, for, all day/year等表示一段时间的时间状语连用。
He said they had known each other since their schooldays.
他说他们从学生时代起就互相了解。
Leeds United had waited for success for eighteen years.
利兹联队企盼夺冠已经十八年了。
( ) 1. Last summer holiday, we ______ many photos when we had a trip in Dalian.
took B. has taken C. had took
( ) 2. Before he came here, he ______ in China for ten years.
has lived B. had lived C. lived
( ) 3. The teacher had left already ______ I got to his office.
after B. just as C. before
( ) 4. I ______ my homework before my father came back.
have finished B. had finished C. finished
( ) 5. The boy ______900 English words by the time he was five.
had learned B. learned C. learned
( ) 6.Shortly after I had entered the room, I ______ the light.
opened B. had turned on C. turned on
Ⅰ. 单项选择
A
B
C
B
A
C
When I reached the cinema, the movie ______________ (start)
for about 10 minutes.
He’s not hungry now. He ____________ (eat) some bread.
The sun __________ (set) when we got there.
The writer ______________ (write) 8 books since 2002.
He ______________ (work) for ten hours, so he is very tired.
Tom said he ___________ (read) the book twice.
Ⅱ. 用所给动词的适当形式填空
had set
had started
has written
has eaten
has worked
had read
鸟类中“口技”的冠军——金刚鹦鹉
金刚鹦鹉是色彩最艳丽的大型鹦鹉，它们是热带美洲鸟类，原生地是森林，特别是墨西哥及中南美洲的雨林。金刚鹦鹉最吸引人的技能无疑当属能够效仿人言。虽然它们的鸣叫声并不婉转动听，但在人工驯养下却能够很好地模仿人语和其他鸟类的鸣叫声。在鸟类中，还有一些善于模仿人语和其他叫声的种类，如八哥、鹩哥等，但都比不上金刚鹦鹉的口齿伶俐、活泼可爱。因此，如果说它们是鸟类中“口技”的冠军，肯定是当之无愧的。
《里约大冒险》就是一部以金刚鹦鹉为题材的电影，我们一起去看看其中的超燃片段吧！
macaw
/m k /