1、Unit 4 Life in Mars第4课时 Grammar宾语从句和简单句之间的转换我们可以用介词把状语从句转换为简单句。1.The photos remind me that I travelled to the UK five years ago.The photos remind me of my trip to the UK five years ago.Grammar2.Are you certain that Tom is satisfied with the plan?Are you certain about Toms satisfaction with the plan?
2、常用的一些动词和介词的搭配有：Remind somebody of.使某人想起.Be sure/certain about 对确信Grammar定语从句和简单句之间的转换我们可以用介词把定语从句转换为简单句。1.The girl who is in a hat is Lucy King.The girl in 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.Grammar状语从句和简单句之间的转换
3、1.because 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.我们可以用介词短语把状语从句转换为简单句。Grammar2.if not/no引导的条件状语从句可借助without短语转化为简单句。Humans cannot survive if there is no food,water or oxygen.Humans cannot survive without food,wa
4、ter or oxygen.Grammar3.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.I could swim at the age of eight.He went home after he finished his work.He went home after finishing his work.Grammar4.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。He decided to buy a camera online so that she co
5、uld receive it soon.She decided to buy a camera online in order to/so as to receive it soon.Grammar5.sothat引导的结果状语从句的可用“enough to do”结构变成简单句。This hall is so large that it can hold 2000 people.This hall is large enough to hold 2000 people.GrammarTry to find out whether it is an object clause or not.1
6、.These plants will produce food and oxygen that we need to live on Mars.2.Scientists will develop plants that can grow on Mars.3.People think that humans on Mars have to wear special boots to make themselves heavier.ONNGrammarTry to find out whether it is an object clause or not.4.We all know that M
7、ars is a planet in the solar system.5.The journey to Mars could take only a very short time in space shuttles that travel at half the speed of light.6.Some scientists do not believe that the journey to Mars will be very comfortable.ONNGrammarHelp Daniel know more about life on Mars1.Will transport o
8、n Mars be much better than on Earth?Are you certain _?2.Is gravity a problem for the early travelers on Mars?Can you tell me _ _?3.Does it take very long to travel from Earth to Mars?Do you know _ _?if/whether transport on Mars will be much better than on Earthif/whether gravity is a problem for the
9、 early travelers on Marsif/whether it takes very long to travel from Earth to MarsGrammar4.Are many people going to move to Mars?Can you tell me _ _?5.Did the USA send a space robot onto Mars last year?Do you know _ _?if/whether many people are going to move to Marsif/whether the USA sent a space ro
10、bot onto Mars last yearGrammarHelp Daniel finish his diary about what he has found about living on Mars with that,if or whether.Do you believe _ man will be able to live on the planet Mars in the future?Scientists are working hard to make this dream come true.However,they are still not sure _ we cou
11、ld grow plants on Mars.Also,many scientists think _ gravity is a problem for the first settlers.They all agree _ the journeyto Mars will not be comfortable.Therefore,I am wondering _ there will be many people willing to move to Mars or not.thatif/whetherthatthatwhetherGrammar改写句子：1.Neil Armstrong re
12、ceived his student pilots licence when he was 16.Neil Armstrong received his student pilots licence _.2.People might float in space because the gravity is low.People might float in space _ the low gravity.3.Humans cannot survive if there is no food,water or oxygen.Humans cannot survive _ food,water
13、or oxygen.at the age of 16because ofwithoutExercisesRewrite the sentences using the words in brackets.2.Yuri Gagarin became the first man to go into outer space at the age of 27.(when)Nei Armstrong took his first flight at the age of six.1.Neil Armstrong took his first flight when he was only six.(a
14、t the age of)Yuri Gagarin became the first man to go into outer space when he was 27.Exercises4.If there is no fresh food,meals will not be as tasty as they are today.(without)3.People might move to another planet in the future because the population on the Earth is increasing rapidly.(because of)Pe
15、ople might move to another planet in the future because of the rapidly increasing population on the Earth.Without fresh food,meals will not be as tasty as they are today.ExercisesRewrite the sentences into simple sentences.1.Are you certain that Tom is satisfied with the plan?2.I dont know which one
16、 I can buy.I dont know which one to buy.Are you certain about Toms satisfaction with the plan?3.I heard she was singing in English.I heard her singing in English.Exercises4.The photos remind me that I travelled to the UK five years ago.5.Do you understand what I said?Do you understand my words?The p
17、hotos remind me of my trip to the UK five years ago.ExercisesRewrite the sentences into simple sentences.1.Do you know the girl who is holding two books in her hand?2.The man who wears a blue shirt is our English teacher.The man in a blue shirt is our English teacher.Do you know the girl with two books in her hand?3.We saw the glasses that were on the table fall off onto the floor.We saw the glasses on the table fall off onto the floor.Exercises