高一英语《M2U3Grammarandusage》 完整版课件PPT

1、M2U3Grammar and usagePast perfect tenseCan you tell me something about Howard Carter? Not long after the tomb of King Tutankhamen had been opened, people in Carters team began to fall ill and die strangely. What verb tenses are used in the sentence? Lead-inPast Perfect TenseHow can we form the past

2、perfect?had + v-ed The usage of the past perfectUpon their entering the tomb, Carters lucky pet bird, which he had left in Cairo, was swallowed by a snake.Carter left his lucky pet bird in Cairo.Carters lucky pet bird was swallowed by a snake.PastPresent过去完成时表示过去某一时间或动作之前已经发生或完成的动作。它表示动作发生的时间为“过去的过去

3、”。“We hid the entrance to the tomb,” said Carter.Carter said that they had hidden the entrance to the tomb.PastPresentThey hid the entrance to the tomb.Carter said.过去完成时常用在主句是一般过去时的间接引语中。I had done my homework this morning before I went to the museum.PastPresentI had done my homework this morning.I

4、went to the museum.过去完成时表示在过去的两个动作或事件中，一个先于另一个发生，当相隔时间不久。过去完成时常与by, for, before, since等介词短语或由after, before, since, when, by the time, until等引导的时间状语从句连用。 An amazing person Amelia Earhart What happened to her ?Read the notes about Amelia Earhart on page 49.PracticeComplete the story on page 49. Amelia

5、 Earhart was born on 24th July 1897. She had an exciting childhood. Before she moved to Des Moines, she had already seen her first airplane. She _home again, back to Chicago, six years later. She worked as a nurse in the First World War and became interested in flying. She _ already _ flying lessons

6、 before she bought her first plane . Then her interest in flying really began to grow. In 1929, she organized an air race for women. A year earlier, she _ the first woman air passenger to fly across the Atlantic.movedhadtakenhad become She married George Putnam in 1931. They _ three years before whe

7、n he interviewed her in New York. In 1932, she became the first woman to fly alone across the Atlantic.On 1 June 1937, she _ her round-the-world flight. The flight went well in June. She reached New Guinea on the 29th. She _ flying nearly a month earlier.When the base tried to get in touch with Amel

8、ia at 9.30 p.m. 0n 2nd July 1937, she _ already _ missing. had metstartedhad startedhadgonethe simple past tense or the past perfect tense Differences When the Titanic was built, people thought it would never sink. However, this passenger ship _(surprise) everyone when it sank on its first journey.

9、The Titanic was built in Belfast, Ireland. Its makers _(spend) a great deal of money building the ship. When it was finished, it was the largest and most comfortable ship ever built. The Titanic set sail on 10th April 1921. I _ (want) to set foot on the Titanic ever since it was built, said Molly Br

10、own, a Titanic survivor. I never thought it would sink. On 13th April, the Titanic was sailing at full speed towards New York. surprisedspenthad wantedThe captain _(receive) warnings about icebergs all day, but had paid little attention to the warnings as they _(arrive).At 2.20 a.m., the Titanic san

11、k into the sea. It _(hit) an iceberg just over two hours before. Of the 2,200 people on the ship, only 705 _(survive).Explorer Robert Ballard _(search) for the Titanic for more than 20 year before he found it. When new technology was developed, we _(use) it to send cameras down into sea. Finally, we

12、 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.had receivedarrivedhad hithad searchedusedhad causedsurvivedSummary: Whether the simple past tense or the past perfect tense is used depends on the sequence o

13、f the events. 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 present perfect or the past perfectThe inventor of paperCai Lun is a famous Chinese inventor, known for inventing paper. Cai invented paper in AD 105, but

14、 _ many other times. Before his invention worked, Cai _ 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 _ of Cai or paper. They did not learn how to make paper until AD751. Westerners who _ several Chinese paper makers during a wa