九年级英语下册Unit4LifeonMarsGrammar课件(新版)牛津

1、Unit 4 Life on MarsGrammarUnit 4 Life on MarsGrammarUsing adverbial clauses or simple sentencesUsing adverbial clauses Neil Armstrong received his student pilots licence because of the low gravity.without food, water or oxygen.when he was 16.when he was 16. at the age of 16.People might float in spa

2、ce Humans cannot survive because the gravity is low. because the gravity is low. if there is no food, water or oxygen. if there is no food, water or oxygen. Sentences Neil Armstrong received hi时间状语从句可借助介词短语转化为简单句。I could swim when I was eight years old.He went home after he finished his work.状语从句和简单

3、句之间的转换 I could swim at the age of eight.He went home after finishing his work.时间状语从句可借助介词短语转化为简单句。I could swbecause引导的原因状语从句用短语because of可转换成简单句。 He was late for school because it rained heavily.He was late for school because of the heavy rain.状语从句和简单句之间的转换because引导的原因状语从句用短语because of可You cannot en

4、ter the cinema if you dont have a ticket.状语从句和简单句之间的转换You cannot enter the cinema without a ticket. if not 引导的条件状语从句可借助without短语转化为简单句。You cannot enter the cinema if1. Neil Armstrong took his first flight when he was only six.Learning about outer space1. Neil Armstrong took his first flight at the a

5、ge of six.2. Yuri Gagarin became the first man to go into outer space at the age of 27. 2. Yuri Gagarin became the first man to go into outer space when he was 27. 3. People might move to another planet in the future because the population on the Earth is increasing rapidly.3. People might move to a

6、nother planet in the future because of the rapidly increasing population on the Earth. 4. If there is no fresh food, meals will not be as tasty as they are today. 4. Without fresh food, meals will not be as tasty as they are today.5. It would be funny to play football on Mars because of the low grav

7、ity. 5. It would be funny to play football on Mars because the gravity is low.6. Without special boots, you cannot walk on Mars. 6. If there is no special boots, you cannot walk on Mars. 1. Neil Armstrong took his firso that引导的目的状语从句可用“in order to”或“so as to”转换为简单句。 He got up early so that he could

8、catch the early bus.He got up early in order to/so as to catch the early bus.状语从句和简单句之间的转换This hall is so large that it can hold 2000 people.This hall is large enough to hold 2000 people.so that引导的目的状语从句可用in order to或so as to转换为简单句。 so that 引导的结果状语从句的可用 enough to结构转换为简单句。so that引导的目的状语从句可用“in order

9、toUsing object clauses or simple sentencesUsing object clauses The smell of the pills reminds them that food on the Earth is tasty. Are they sure that space travel will be very fast? The smell of the pills reminds them of the tasty food on the Earth.Are they sure about the fast speed of space travel

10、? Sentences 可以用介词如of、about 等将宾语从句转换为简单句。The smell of the pills reminds Change the sentences into simple sentences1. Are you certain that Tom is satisfied with the plan?2. I dont know which one I can buy.I dont know which one to buy.Are you certain about Toms satisfaction with the plan?3. I heard she

11、 was singing in English.I heard her singing in English.4. The photos remind me that I have travelled to the UK.The photos remind me of my trip to the UK.5. Do you understand what I said?Do you understand my words? Change the sentences1. Are you aware _ (distance)?2. Do scientists agree _ _ (possibil

12、ity)?3. Have they thought _ (problem)?4. Are you aware _ (transport)?5. I wonder_ _ (number).6. I think people should know _ _ (differences).of the distance between Mars and the Sunwih the possibility of living on Mars for humansin the futureabout the problem of the low gravity on Marsof the transpo

13、rt on Marsabout the number of people who would like to move tothe differences between life on Mars and that on the earth MarsAbout the planet Mars1. Are you aware _Using defining relative clauses or simple sentencesUsing defining relative clause People might live in houses which have huge comfortabl

14、e rooms. On Mars you might see people who wear special boots. SentencesPeople might live in houses with huge comfortable rooms.On Mars you might see people in special boots. 可以用介词如with、in 等将定语从句转换为简单句。 People might live in housesMars is a planet an environment similar to that of the Earth.2. Astrona

15、uts space suits and helmets might stay on Mars for hours.3. It is difficult to breathe on a planet much thinner air than that on the Earth.4. On Mars there might be people air tanks on their backs.Curious about MarsChange relative clauses into simple sentenceswiththat haswho wearinthat haswithwithwh

16、o carrythat haswho wearthat haswho carryMars is a planet Change the sentences into simple sentences1.The girl who is wearing a hat is Lucy King.2. I prefer to stay in a hotel room which has a sea view.I prefer to stay in a hotel room with a sea view.The girl with a hat is Lucy King.3.The man who wea

17、rs a blue shirt is our English teacher.The man in a blue shirt is our English teacher. 4. Do you know the girl who is holding two books in her hand? Do you know the girl with two books in her hand?5. We saw the glasses that were on the table fall off onto the floor.We saw the glasses on the table fa

18、ll off onto the floor. Change the sentencesReplace each of the underlined parts with another expressionDear aliens,Humans are thinking about moving to another planet because the pollution on the Earth is very serious. Many people do not doubt that life on Mars would be very interesting, but I am not

19、 sure. We could not play football on Mars because of the low gravity. Life would be boring for me if I could not play football. Maybe thisproblem could be solved by building indoor playgrounds which have the same football fields as those on the Earth.By the way, would strangers be welcome? I hope to

20、 hear from you soon.Simon_Replace each of the underlinedDear aliens,Humans are thinking about moving to another planet because the pollution on the Earth is very serious. Many people do not doubt that life on Mars would be very interesting, but I am not sure. We could not play football on Mars because of the low gravity. Life would be boring