9上unit6+grammar.ppt

1、Unit 6 Grammar,If you are a football fan, you will not want to miss this weeks programme.,If you are an animal-lover, you may feel sad about it.,If you enjoy solving mysteries, you might like this film.,如果你是一个足球迷，你不会想要错过这一周的节目。,如果你是一个动物爱好者，你可能会为它而感到伤心。,如果你喜欢解开谜团，你可能会喜欢这部电影。,simple present tense 一般现在

2、时,simple future tense 一般将来时,you will not want to miss this weeks programme. you may feel sad about it. you might like this film.,Conditional Sentences(条件状语从句）,If you are a football fan, If you are an animal-lover, If you enjoy solving mysteries,If-clause(从句) Main clause（主句）,Ifclause (一般现在时）,Main-cla

3、use(一般将来时）,Main-clause(一般将来时）,Ifclause (一般现在时）,comma,Summary I,Summary II,在if引导的条件状语从句中，主句除了用一般 将来时之外，还可含有can,may,might,must 等情态动词。如： You must see the doctor if you are ill. If you enjoy solving mysteries,you might like this film. 4)在if引导的条件状语从句中，主句也可含有祈 使句。如： If you get scared easily,do not watch i

4、t!,如果你很容易害怕，不要看它。,If you get scared easily, do not watch it!,If you enjoy solving mysteries,you might like this film.,If you are a football fan, you will not want to miss this weeks programme.,If 从句用一般现在时,主句用一般将来时,主句含有情态动词,主句为祈使句,will+ do,may/might+ do,If hunters catch a giant panda, they will kill

5、it for fur.,The dangers that giant pandas are facing:,We can go and fly the kite if it is fine tomorrow.,Dont watch it if you get scared easily.,= They will kill it for fur if hunters catch a giant panda.,= If it is fine tomorrow, we can go and fly the kite.,= If you get scared easily,do not watch i

6、t!,学生活动指导：阅读题目30秒，用另一种句式改写句子。个人抢答，一分/一句。,If I _ (go, will go) to the Reading Club this afternoon, I _( do not have, may not have) any time to watch TV. 2. If Simon_(gets, will get) home late, he _ (misses, will miss) his favourite cartoon.,go,may not have,gets,will miss,3. If Amy _(completes, will c

7、omplete) all her homework quickly, she _ (watches, will watch) the chat show.,completes,will watch,4. If Daniel _ (takes, will take) part in the game show, he _ (wins, might win) a prize.,takes,might win,5. If Sandy _(finds, will find) a programme interesting, she _ (introduces, will introduce) it t

8、o us.,finds,will introduce,- What will a bear do if it is in danger? -If a bear is in danger, it _.,Choice,A. B. will be afraid C. will shout,-If you meet a bear in the wild, what will you do ? - I will_if I meet a bear in the wild. A. climb up the tree B. stay there and hold my breath(屏住呼吸) for a f

9、ew seconds C. run the other way,will attack people,What will a polar bear do if it is hungry ?,catch fish from water,If a polar bear is hungry, it will catch fish from water.,Ask and Answer,A2 :,Dad: What will a bear do if it is in danger? Millie: If a bear_, it _ people. Dad: What will a polar bear

10、 do if it is hungry? Millie: If a polar bear _, it _fish from the water. Dad: What will elephants do if they are thirsty? Millie: If elephants _, they _ till they find a river. Dad: What will tigers do if they live in the wild? Millie: Tigers _ for their own food if they _. Dad: What will tigers do

11、if they have babies? Millie: Tigers _ as a family if they _. Dad: What will male wolves do if there is danger? Millie: Male wolves _ their families if there _.,is in danger,will attack,is hungry,will catch,are thirsty,will walk,will hunt,live in the wild,will live,have babies,will protect,is danger,

12、attack catch hunt live protect walk,学生活动指导：独立完成，组长检查组员并纠正错误。(2分钟),The situation will continue unless humans stop hunting them for their fur and bones.,自学提示：自学2分钟，仔细观察P85页两组例句，总结规律。 1、unless的意思是_,相当于_ 2、在unless引导的条件状语从句中，主句中的动词常用_时，从句中的动词一般用_时。 3、unless主句与从句的两种位置关系。 _ _,Self-study,除非,if.not,一般将来,一般现在

13、,主句在前，从句在后。,从句在前，主句在后。,If not =Unless,Summary,The situation will continue _humans stop hunting them for their fur and bones.,The situation will continue _humans _stop hunting them for their fur and bones.,if,dont,unless,Dont forget to put a “comma ”after the unless-clause when it is the first part o

14、f a sentence.,同义句改写 unless= if.not,1. Unless he studies hard, he will never pass the exam. 2. We will not get there on time unless we leave earlier.,If he doesnt study hard, he will never pass the exam.,We will not get there on time if we dont leave earlier.,同义句改写 unless= if.not,3.Unless you try you

15、r best, you will not realize your dream. 4. You will be late unless you leave right now.,If you dont try you best, you will not realize your dream.,You will be late if you dont leave right now,A trip to a film and TV studio,Unless the weather report says it is going to rain, _ 2. We will arrive at t

16、he studio around 9:30 a.m. _ 3. Unless you already know the studio very well, _ 4. You will buy your lunch at the restaurants in the studio. _ 5. Unless you are tired, _ 6. You will have a chance to see how a TV programme is recorded _,a. unless you take your own food with you.,b. you will not need

17、to take the minibus in the studio.,c. you will not have to take an umbrella with you.,d. unless the traffic is very heavy.,e. unless you have little interest in it.,f. you will travel around it with a tour guide.,学生活动指导： 组内讨论一分钟，然后由每组的1号抢答第一题，2号抢答第二题，直至6号。一分/一题。,A trip to a film and TV studio,Unless

18、 the weather report says it is going to rain, _,c. you will not have to take an umbrella with you.,d. unless the traffic is very heavy.,f. you will travel around it with a tour guide.,a. unless you take your own food with you.,b. you will not need to take the minibus in the studio.,e. unless you hav

19、e little interest in it.,A trip to a film and TV studio,2. We will arrive at the studio around 9:30 a.m. _,d. unless the traffic is very heavy.,f. you will travel around it with a tour guide.,a. unless you take your own food with you.,b. you will not need to take the minibus in the studio.,e. unless

20、 you have little interest in it.,A trip to a film and TV studio,3. Unless you already know the studio very well, _,f. you will travel around it with a tour guide.,a. unless you take your own food with you.,b. you will not need to take the minibus in the studio.,e. unless you have little interest in

21、it.,A trip to a film and TV studio,4. You will buy your lunch at the restaurants in the studio, _,a. unless you take your own food with you.,b. you will not need to take the minibus in the studio.,e. unless you have little interest in it.,A trip to a film and TV studio,5.Unless you are tired, _,b. y

22、ou will not need to take the minibus in the studio.,e. unless you have little interest in it.,A trip to a film and TV studio,6.You will have a chance to see how a TV programme is recorded _,e. unless you have little interest in it.,拓展一：条件状语从句和其它句型的变换,1. if引导的条件状语从句的复合句中，当主句和从句的 主语均为you时，可转换为“祈使句，and

23、+简单句”或 “祈使句，or+简单句”,You can pass the exam if you work hard. =_，and you will pass the exam.,If you dont hurry up, you will be late again. = Hurry up, _ you will be late again.,Work hard,or,2. 借助介词with 或without来转换。 例如: If you help me, Ill finish my job soon. =_, Ill finish my job soon. 如果你帮我，我将很快完成我的工

24、作。 If there is no water, fish may die. =Fish may die _. 如果没有水，鱼可能会死。,With your help,without water,同义句转换 1.Run fast, or youll be late for school. _ you _ _ fast, youll be late for school. 2. Dont come if I dont telephone. Dont come_ I telephone. 3. If you dont help me, I cant work out the problems. I

25、 cant work out the problems _ _ _.,If dont run,unless,without,your,help,拓展二：在其他句式中的运用,Can you tell me if I can go to a good senior high school?,Lucy asked if there was a bank near here.,if引导宾语从句时，作“是否”讲，常放在动词ask 、see 、say 、know和find out等后面。一般情况下，常与whether换用，在口语中多用if,链接中考,I dont know if he _ tomorrow

26、.If he _ , I will take him to visit our city.A. comes, comesB. comes, will comeC. will come, comesD.will come, will come,第一个if表示是否引导宾语从句，时态根据tomorrow ,所以用将来时。第二个if表示如果，主将从现，所以if从句用一般现在时。,Choose the best answer,1.You will fall behind others_ you dont work hard. A. when B.if C. though D.because 2. The

27、 flowers _ grow well if they _. A. wont; dont water often B. dont; are often watered C. dont; dont water often D. wont; are not often watered,3.You will catch a cold _. A. if you will not put on more clothes B. if you put on more clothes C. until you put on more clothes D. unless you put on more clo

28、thes 4. -I dont know if he _ to Kates birthday party? - Hes sure to go if he _. A.goes; knows B. will go; knows C. goes; will know D.go; konw,同义句转换吗（每空一词）,1. He wont be late unless he is ill. He wont be late _ he _ ill. 2. If you dont run fast, youll be late for school. _ _, _ youll be late for scho

29、ol.,if,isnt,Run,fast,or,同义句转换,3.Take enough money with you, and you can buy the CD. You can buy the CD _ _ _ enough money with you. 4.If there is no water,none of us can live. None of us can live _ _.,if,you,take,without,water,直击中考： 1.Ifthere_nobuyingandselling ofanimals,there_nokillingin nature.（2014 泰州） A.is;willbeB.willbe;willbe C.is;is D.willbe;is,A short test,2.Imwaitingformyfriend._, Illgoshoppingalone.（2014宿迁） A.Ifshecomes B.Ifshewontcome C.Ifshedoesntcome D. If she come,3. We are going to play basketball _ it rains. （2013扬州） A. if not B. when C. except that D. unless 4