课件37张PPT。Grammar and usageUnit 3Macao ________ to China in 1999.returnedHong Kong ____________ to China before Macao came back to China.had returned19971999Hong Kong ________ to China in 1997.returnedThe simple past tense talks about a past action. When something happens at an even earlier time in the past, we use the past perfect tensePast perfect tenseThe form: had donepresentpastThe past perfect tense shows us 过去的过去When they arrived at the station, the train
_______ (leave).had leftConclusion(1): 表示在过去某一时刻或某一动作
完成之前的情况.句中常用by, before, until,
by the end of, by the time, since 等引导过
去某一时间状语.
They had learned 5000 words by the end
of last year.
Jane had left before I arrived.
Until you told me, I had heard nothing of
what happened.
出了什么事我一点也不知道,直到你告诉我。 I saw Li Hua, my best friend at the party
yesterday.
We ___________ (not see) each other since
we graduated from the university. hadn’t seenConclusion(2):表示从过去某一时间开始,一直持
续到过去另一时间的动作或状态(从过去到过去),
往往和由for或since引导的、表示一段时间的短语
或从句连用。He ___________ (work) here for two years
before he moved here.I ________ (be) at the bus stop for 20 minutes
when a bus finally came.had workedhad beenHe found that he had left his purse on the
bus.
他发现自己的钱包丢在了公交车上了。
She already knew the secret but no one had
told her.
她已经知道了这个消息,可是从没有人告诉过她。
I returned the magazine that I had borrowed.
我把借的杂志还了。
Conclusion(3): 出现在宾语从句或定语从句中, 如果主句是过去,从句的动作先于主句发生从句需要用过去完成时态。4. 表示过去未曾实现的希望, 打算, 意图, 用于如下动词: want, hope, think, expect, intend, mean, suppose, plan.
表示“本打算(计划/希望/认为)做而未做”
I had meant to buy a present for you in Paris, but my work ran out of my time.
我本打算给你在巴黎买一件礼物的,但工作占用了我的时间。
I had intended to come to the party, but
I was busy.
我本打算去参加宴会的,可太忙了。
【温馨提示:一】
在hardly/scarcely…when, no sooner…than 句式中,主句常用过去完成时,表示“一… …就”。当否定副词位于句首时,主句常用部分倒装。
I had hardly answered the teacher when he
interrupted me.
We had no sooner arrived than we started
singing and dancing.
我们一到就开始唱歌、跳舞。
Hardly had he run into the room when it began to rain.
他一跑进房间雨就开始下起来了。 It is the first time +从句(从句用现在完成时);
It was the first time +从句(用过去完成时)。
It was + 形容词最高级+ that 定从(用过去完成)
It is the first time that I’ve been here.
It was the first time that he had ever spoken to me in such a tune.
用于对过去假设的虚拟语气中的从句。
If I had known your telephone number yesterday,
I would have telephoned you .【温馨提示:二】【温馨提示:三】I wish I had gone with you yesterday.过去完成时与一般过去时(1). 历史事实通常用一般过去时表示,如:They learned that Lincoln led the American War.He told the students that Hitler killed millions of
Jews.(2) 当主从复合句中有after, before 引导的时间状语从句时,过去完成时可用一般过去时代替.
He (had) finished all the homework before his patents got home.
After I (had) had a short break, I went on to work out the problem.(3)过去完成时态和一般过去时态的时间参照点不
同:
一般过去时态以“现在”为参照点,发生在此之前
的动作或状态用一般过去时态;而过去完成时态
以“过去”为参照点,发生此“过去”之前的动作或
状态应用过去完成时态,即“过去的过去”。
We ________ 50 English words last week.
We __________1500 English words by the
end of last week. learnedhad learned1 When Mark opened the door, he saw a
woman standing there. He ____ her before.
A. never saw B. had never seen
C. never sees D. has never seen
2 The news came as no surprise to me, for I _____ of it earlier.
A. hear B. heard
C. have heard D. had heard 3. The old man _____ two days after he had been sent to hospital. ?
A. died B. would die
C. had died D. has died ?
4. Old McDonald gave up smoking for a while, but soon ______ to his old ways. ?
A. returned B. returns
C. was returning D. had returned5. I _____ to take a good holiday this year, but I wasn’t able to get away. ?
A. hope B. have hoped
C. had hoped D. hoped ?6. I _____ my son _____ a doctor, but he wasn’t good enough at science. ?
A. hoped; would become
B. had hoped; would become ?
C. had hoped; will become
D. hope; will become ?
7. Helen _____ her key in the office so she had to wait until her husband _____ home.
A. has left; comes
B. left; had come
C. had left; came
D. had left; would come ?8. By the time he was twelve, Edison
_____ to make a living by himself.
A. would begin B. has begun
C. had begun D. was begun
9. When Jack arrived he learned Mary
____ for about an hour.
A. had gone B. had been away
C. had set off D. had left
10. The play had already been on for
quite some time when we ______ at
the New Theatre.
A. have arrived B. arrived
C. had arrived D. arrive 11. They became friends again that day.
Until then, they ______ to each other
for nearly two years. A. didn’t speak B. hadn’t spoken C. haven’t spoken
D. haven’t been speaking 12. --- Did Alan enjoy seeing his old
friends yesterday? --- Yes, he did. He ______ his old
friends for a long time. A. didn’t see B. wouldn’t see C. hasn’t seen D. hadn’t seen 13. The hotel wasn’t particularly good.
But I ____ in many worse hotels.
(2008北京)
A. was staying B. stayed
C. would stay D. had stayed14. We first met on a train in 2000. We
both felt immediately that we ____
each other for years. (2008辽宁)
A. knew B. have known
C. had known D. know15. The moment I got home, I found I
______ my jacket on the playground.
(2008陕西)
A. had left B. left
C. have left D. was leaving16. Mary went to the box office at lunch
time, but all the tickets ____ out.
(2009上海)
A. would sell B. had sold
C. have sold D. was selling翻译下列句子。今天上午十点钟前,他已经完成了这项工作。
他告诉我他从小就认识她。
我原以为我以前见过他。He had finished his work before ten o’clock this morning.He told me that he had known her since he was a child.I thought I had seen him before.4. 八点钟,学生开始在田里劳动,这时雨已经停了,太阳出来了。
5. 我本来希望昨晚回来的,但没搭上火车。The students started working in the fields at 8 o’clock. The rain had stopped and the sun was shining.I had hoped to be back last night, but I didn’t catch the train.Amelia Earhart课本练习Amelia EarhartThe first woman pilot to fly across the Atlantic 生于1897年7月24日,1937年7月2日失踪,1939年1月5日被宣布逝世。 Amelia Earhart was born on 24 July 1897. She had an exciting childhood. Before she moved to Des Moines, she ⑴ ____ already _____ her first airplane. She ⑵_______ to Chicago, six years later.
She worked as a nurse in the First World War and became interested in flying. She⑶ ______ already _______ flying lessons before she bought her first plane. hadseenhadmovedtaken Then her interest in flying really began to grow. In 1929, she organized an air race for women. A year earlier, she ⑷____________ the first woman air passenger to fly across the Atlantic.
She married George Putnam in 1931. They ⑸ ___________ three years before when he interviewed her in New York. In 1932, she became the first woman to fly alone across the Atlantic.had becomehad met On 1 June 1937, she ⑹__________ her round-the-world flight. The flight went well in June. She reached New Guinea on the 29th . She ⑺ _____________ flying nearly a month earlier.
When base tried to contact Amelia at 9.30 p.m. on 2 July 1937, she ⑻ _______ already ________ missing. startedhad startedhadgone When the Titanic was built, people assumed it would never sink. So, when it sank on its first journey, the news (1) ________ (surprise) everyone greatly.
The Titanic was built in Belfast, Ireland. Its makers (2) _______ (spend) a great deal of money building the extraordinary ship. When it was finished, it was the largest and most comfortable ship ever built.
The Titanic set sail on 10 April 1921. ‘I (3)
___________ (want) to set foot on the Titanic ever since it was built,’ said Molly Brown, a Titanic survivor. ‘I never imagined it would sink!’
On 13 April, the Titanic was sailing at full speed towards New York. The captain, who (4) ____________ (receive) warnings about icebergs all day, surprisedspenthad wantedhad receivedhad dismissed the warnings as they (5) ________
(arrive).
At 2.20 a.m., the Titanic sank into the sea. It (6)
_______ (hit) an iceberg just over two hours before. Of
the 2,208 people aboard the ship, only 705 (7) ________
(survive).
Explorer Robert Ballard (8) _____________ (search)
for the Titanic for more than 20 years before he found
it. ‘When new technology was developed, we (9)
______ (use) it to send cameras down into the sea.
Finally, we found the ship.’ With his cameras, he was
able to find the hole along the side of the ship which
(10) __________ (cause) it to fill with water and sink.arrivedhad hithad searchedusedhad causedsurvived现在完成时现在完成时着眼于现在,强调过去发生的某动作对现在造成的影响和结果,或是由过去持续到现在的动作。过去完成时则主要体现过去两动作发生的先后有别,表达的是“过去的过去”,即比过去发生的某动作还要“过去”,两动作中先发生的动作就用过去完成时,后发生的动作则用一般过去时。过去完成时 Another amazing person
—Cai Lun What did he say? And what did he do?Read the sentences on Page 51 and then complete the article.The inventor of paper
Cai Lun is a famous Chinese inventor, known for inventing paper. Cai invented paper in AD 105, but ⑴_____________ many other times. Before his invention worked, Cai ⑵___________ using many different parts of trees and plants, and old fishing nets to make paper! After Cai invented paper, people all over Asia used it.
At that time in the West, no one ⑶___________ of Cai or paper. They did not learn how to make paper until AD751. Westerners who ⑷_____________ several Chinese paper makers during a war told people in the West about Cai's invention. Once the paper makers ⑸___________ people how to make paper, it was used all over the world.had failedhad triedhad heardhad caughthad shown