九下Unit4Grammar课件

1、9B Unit 4 Life on Mars Grammar 一、用一、用介词短语介词短语把把状语从句状语从句换成简单句换成简单句 v when 所引导的时间状语从句所引导的时间状语从句 1. She started to learn drawing when she was seven. She started to learn drawing_ . 2.Neil Armstrong received his student pilot s licence when he was 16. Neil Armstrong received his student pilot s licence

2、_ at the age of seven at the age of 16 v because 引导的原因状语从句引导的原因状语从句 3.He could not go to the party because he had too much homework. He could not go to the party because of too much homework . 4.People might float in space because the gravity is low. People might float in space _ _. because of the l

3、ow gravity v if 所引导的条件状语从句所引导的条件状语从句 5.He could not solve this problem if he has no help. He could not solve this problem _ . 6.Humans cannot svrvive if there is no food, water or oxygen. Humans cannot svrvive _ . without help without food, water or oxygen 用介词短语把状语从句换成简单句用介词短语把状语从句换成简单句 1.“1.“when+从

4、句从句”转换成转换成_ 2.“2.“because + +从句从句”转换成转换成 _ 3.“3.“if 的否定句的否定句”转换成转换成 _ at the age of because of without Exercise 1.Neil Armstrong took his first flight when he was only six. ( at the age of ) _. 2.Yuri Gagarin became the first man to go into outer space at the age of 27. ( when ) _. Neil Armstrong to

5、ok his first flight at the age of six when he was 27 Yuri Gagarin became the first man to go into outer space 3.People might move to another planet in the future because the population on the earth is increasing rapidly. (because of ) _ _. 4.It would be funny to play football on Mars because of the

6、low gravity. (because) _ _. It would be funny to play football on Mars because the gravity is low People might move to another planet in the future because of the rapid increase in population on the Earth 5.If there is no fresh food ,meals will not be as tasty as they are today. ( without) _ _. 6.Wi

7、thout special boots , you cannot walk on Mars. ( if not ) _ _. Meals will not be as tasty as they are today without fresh food You cannot walk on Mars if you do not wear special boots 二、用二、用介词介词把把宾语从句宾语从句换成简单句换成简单句 1. I am sure that the concert tickets will be expensive. _ _ . 2.Are they sure that s

8、pace travel will be very fast? _ _ ? I am sure about the high price for the concert tickets Are they sure about the fast speed of space travel 3.The smell of the pills reminds them that food on the earth is tasty. _ _ 4.The photos remind me that I travelled to the UK five years ago. _ _ The smell of

9、 the pills reminds them of the tasty food on the earth The photos remind me of my trip to the UK five years ago 5.Are you certain that Tom is satisfied with the plan ? _ _ ? Are you certain about Tom s satisfaction with the plan be sure that = be sure about / of remind sb that = remind sb of sth be

10、certain that = be certain about 1.Are you aware how far Mars is away from the sun ? Are you aware_ _ (distance)? 2.Are scientists in agreement that living on Mars would be possible for humans in the future? Do scientists agree _ _ (possibility)? be aware of 知道知道 意识到意识到 agree with of the distance bet

11、ween Mars and the sun be in agreement意见一致意见一致 with the possibility of living on Mars for humans in the future 3.Do they think that the low gravity on Mars might be a problem? Have they thought _ _ ( problem ) ? 4.Are you aware what transport could be like on Mars? Are you aware _ ( transport )? thin

12、k about be aware of 知道知道 意识到意识到 about the problem of the low gravity on Mars of the transport on Mars 5.I wonder how many people would like to move to Mars. I wonder _ _ .( number ) 6.I think people should know that life on Mars would be different from that on the Earth. I think people should know _

13、 _ ( differences ). wonder about 想知道想知道 / 对对感到奇怪感到奇怪 wonder at 表示惊讶表示惊讶 wonder about 表示怀疑表示怀疑 between life on Mars and that on the Earth the differences about the number of people who would like to move to Mars 三、用三、用介词介词把把定语从句定语从句换成简单句换成简单句 1.I prefer to stay on a hotel room which has a sea view. I

14、 prefer to stay on a hotel room with a sea view. 2.People might live in houses which have huge comfortable rooms. _ _ . People might live in houses with huge comfortable rooms 3.On Mars you might see people who wear special boots. On Mars you might see people in special boots. 4.The man who wears a

15、blue shirt is our English teacher. _The man in a blue shirt is our English teacher. C1 Simon is writing about Mars. Rewrite the defining relative clauses in simple sentences with the preposition with or in. 1.Mars is a planet that has an environment similar to that of the Earth. 2.Astronauts who wea

16、r space suits and helmets might stay on Mars for hours. 3.It is difficult to breathe on a planet that has much thinner air than that on the Earth. 4.On Mars there might be people who carry air tanks on their backs. with in with with C2 Simon is interested in stories about aliens. He even writes to a

17、liens. Replace each of th underlined parts in his letter with another expression. Dear aliens, Humans are thinking about moving to another planet ( 1 )because the pollution on the Earth is very serious. Many people do not doubt ( 2 )that life on Mars would be very interesting, but I am not sure. We

18、could not play football on mars ( 3 ) because of the low gravity .Life would be boring for me ( 4 ) if I could not play football . because of the serious pollution on the Earth because the gravity is low without playing football the interesting life on Mars about doubt about / of 怀疑怀疑 Maybe this problem could be solved by building indoor playgrounds ( 5 ) which have the same football fields as