1、Unit 5 Into the unknown突破语法大冲关 名词性从句一、连接词 that，whether，if 引导的名词性从句观察例句1It is possible that caffeine may cause birth defects(缺陷)in humans，too.2She asked me whether/if I had returned the books to the library.3Whether it is true remains a question.4The question is whether it is worth doing.5I think(tha
2、t)you should turn to the teacher for help.6My reason is that the cost will be too high.归纳用法1that 引导主语从句时，常用 it 作形式主语(如例 1)，that 不作从句的任何成分，但通常不可省略。2引导宾语从句的 that 不作从句的任何成分，常可省略(如例5)。3引导表语从句的 that 不作从句的任何成分，通常不可省略(如例 6)。4whether 与 if 都可以引导宾语从句(如例 2)。5whether 还可以引导主语从句(如例 3)和表语从句(如例 4)。名师点津1动词 find，feel
3、，think，consider，make，believe 等后面有宾语补足语时，需用 it 作形式宾语而将 that 引导的宾语从句后置，that通常不可省略。I think it necessary that we drink plenty of boiled water every day.2that 引导两个以上的宾语从句时，通常只省略第一个从句中的 that。3whether 与 if 引导宾语从句时，大多数情况下可以互换。但or not 前面用 whether；用于介词后的宾语从句也用 whether 引导。We dont know whether or not she was re
4、ady.Im interested in whether youve finished the work.即学即练 1 单句语法填空It is wonderful all of you have passed the difficult exam!I wonder they are so eager to accept advice themselves.The reason for his absence was he was ill.The question is we should accept their invitation.Tell me or not you will go th
5、ere.that thatif/whetherwhetherwhether二、连接代词和连接副词引导的名词性从句观察例句1I will do what I can to help him.2It has not been decided who will be sent there.3It is unknown when we will have our sports meet.4Go and get your coat.Its where you left it.5Thats why I want you to work there.6I dont know whose book this
6、is.归纳用法1引导名词性从句的连接代词有 who，whom，whose，what 等。它们不但起连接作用，还在从句中作主语(如例 2)、表语、宾语(如例1)、定语(如例 6)等。缺少连接代词，从句不完整。2引导名词性从句的连接副词有 when，where，why，how。它们不但起连接作用，还在从句中作状语，表示时间(如例 3)、地点(如例 4)、原因(如例 5)和方式等。缺少连接副词，从句也不完整。名师点津引导名词性从句的还有“疑问词ever”，如 whoever、whomever、wherever、whichever 等，它们在从句中充当一定的句子成分。Whoever breaks th
7、e law should be punished.Wherever children go makes their parents worry.即学即练 2 单句语法填空He didnt tell me we would meet again.worries us most islet out the secret.I have no idea I can express myself clearly in English.The problem is we should stay.The book can be of help to wants the job.howwhenWhatwhow
8、hoeverwhere.单句语法填空1And it evaluates well you combine your listening，reading，speaking and writing skills to perform academic tasks.2Now，he is still waiting to find out he has broken the record.3He promised to give a great reward to found the watch.4“Thats exactly I need，”Mr.Vincent said to himself.ho
9、wwhatwhoeverwhether/if5Think about what you want in the coming year，then ask yourself you want that.6Another possible reason is on average，the British people dont take themselves too seriously.7 he did know was that he was very thankful for the opportunity given to him.8The two presidents talked by
10、telephone on Friday，but the details of they said were not available.whywhatWhatthat9Reading exposes you to new words，and you will see those words are used.10The third reason is some students have to get up early on weekdays to get to school far away from home.howthat.短文语法填空After being upset at oppor
11、tunities in the UK，I left the UK for another country and discovered that understanding an 1.(entire)new culture taught me a lot about how to get ahead.My life overseas began after reading an email about a government programme 2.the aim of getting young people over to that country.I 3.(consider)no in
12、ternational work experience before，but，realizing that this was an opportunity not to be missed，I boarded a plane to the country.entirelyhad consideredwithThe main reason for people to go on such a voyage is to develop 4.better understanding of a different culture.The key to 5.(get)ahead in this coun
13、try is to get connected with other people，which determines how business 6.(do)and how you succeed.ais donegettingLiving abroad isnt as easy as I thought.Each day will present you with a new challenge 7.(overcome)But it will wholly disappear with days when your taxi driver finally understands 8.you n
14、eed to go without you acting it out，days when you discover 9.(taste)dishes cost only a small part of a Happy Meal，and days when the people youll remember forever or just for two weeks leave a lasting 10.(impress)on your life.whereto be overcomeimpressiontasty点击右图进入 课 时 分 层 作 业 Thank you for watching!