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1、Unit 6 Grammar,if “如果”，引导条件状语从句,What will happen if you come to school late ?,I will miss some classes.,If I come to school late.,What will happen if you come to school late ?,If I come to school late, I will miss some classes.,I will miss some classes if I come to school late.,or,It is going to rai
2、n tomorrow.,I will stay in bed.,If it rains tomorrow, I will stay in bed.,if,I will stay in bed if it rains tomorrow.,or,It will be sunny tomorrow.,We will have a trip tomorrow.,We will have a trip if it is sunny tomorrow.,If引导一个条件状语从句来谈论 “可能的行动导致的可能的结果”。如果主句用_时，则从句用_时，简称“主将从现”,一般将来,一般现在,A Williams
3、mum is giving him advice about his problems.Match the half-sentences from the boxes to complete her advice for him.,Williams problems1. I sometimes bring the wrong books to school.,If you check your timetable every night，you will know which books to bring.,2. I was away from school today, I do not k
4、now what homework to do.,If you call your friends, they will tell you what homework to do.,3. I hate getting up, I always feel tired in the morning.,If you go to bed early, you will not feel tired in the mornings.,4. I do not know what this word means.,If you look it up in the dictionary, you will f
5、ind out its meaning.,B carol is giving advice to Henry. What is she saying? Use the pictures and the words in brackets to help you,_ the wheels round, they_easily.(make/turn),if you make,will turn,2.The seeds _in the soil .(grow/plant),will grow if you plant them,3. _ another wing, it _.(put on/ fly
6、),if you put on,will fly,4. _ your coat, you _ so cold.(put on/not feel),If you put on,will not feel,5. The meat _ in the fridge. (not go bad/put),will not go bad if you put it,6. You_your classes. (see clearly/wear),will see clearly if you wear,拓展：当主句的动作表示真理或必然的结果时（结果一定会发生），主句和if引导的条件状语从句时态都用一般现在时。
7、1. If you heat ice, it turns into water.如果你把冰加热，它就会化成水。2. If you drop the glass on the floor, it breaks.如果你把玻璃杯摔落在地上，它就会破碎。,What will happen?,1. If I see a snake in front of me, _2. Giant pandas will survive _3. I will see some beautiful birds _4. If I go to North Africa, _5. If I have time next wee
8、kend, _,D,C,E,A,B,A. I will see a lot of camels.B. I will go to the zoo.C. if we protect them D. I will run the other way.E. if I walk through a rainforest,Why do I want to go to Beijing Zoo?,1. If I _ (go) to Beijing Zoo, I _ (learn) a lot about animals.2. If I _ (arrive) at noon, I _ (see) the fee
9、ding of animals.3. If I _ (find) the Monkey Hill, I _ (have) fun there.,go,will learn,arrive,will see,find,will have,4. If I _ (watch) the animals carefully, I _ (get) enough information for my class report (报告). 5. If I _ (finish) my report(报告), I _ (be) very happy.,watch,will get,finish,will be,Fi
10、ll in the blanks,1. If Eddie _ (die), no one _ (look) after Hobo.2. If Eddie and Hobo _ (not have) enough food, they _ (share) it.3. Wild animals _ (be) in danger if hunters _ (keep) killing them.,dies,will look,dont have,will share,will be,keep,4. We _ (keep) pandas safe from danger if we _ (build)
11、 more reserves.5. You _ (see) some squirrels if you _ (go) to the zoo.6. The baby panda _ (live) on his own if his mother _ (leave) him for two whole days.,will keep,build,will see,go,will live,leaves,7. If we _ (build) the giant panda reserves, we _ (encourage) them to leave.8. If we _ (not do) any
12、thing, soon there _ (be) no pandas in the world.,build,will encourage,dont do,will be,Making comparisons.,1. If people find baby pandas alone, they _ (take) them away.2. If pandas are hungry, they _ (eat) bamboo leaves.3. If birds are frightened, they _ (fly) away.,will take,eat,will fly,4. If there
13、 are many beautiful birds in the zoo, we _ (take) a camera with us.5. If a tiger _ (not have) food for 15 days, it _ (die).,doesnt have,dies,will take,Grammar B & C Giving reasons with “because” or “because of ”,Which animal do you like best ? Why?I like because.,Help Amy answer the questions,Why di
14、d you go to Beijing Zoo?,I went to Beijing Zoo because I wanted to see wild animals there.,Help Amy answer the questions,Why didnt you take any food for animals?,I didnt take any food because we mustnt feed the animals in the zoo.,Help Amy answer the questions,Why did you stay in the zoo for so much
15、 time?,I stayed in the zoo for so much time because the dolphin show was long.,Help Amy answer the questions,Why must we protect wild animals?,We must protect wild animals because wild animals are our friends.,Xi Wang had to look after herself because her mother had another baby.Why did you go to Be
16、ijng Zoo ?Why didnt you take any food for animals?,Giving reasons with “because”,Why did you stay in the zoo for so much time?Why must we protect wild animals?,It is very difficult for giant pandas to survive in the wild because of many reasons.All the people cheered / the wonderful show,Giving reas
17、ons with “because of”,Lots of people know about the show/ the ads.The dolphins were really tired/the performanceSome students couldnt go to the show/the exam,Giving reasons with “because of”,1. Why is the ground all wet? (flood) The ground was all wet because of the flood.2. Why is he so happy? (got
18、 an A for English),3. Why is she so sad? (lost her pen) 4. Why is the baby crying? (hunger) 5. Why didnt you go to the show? (the maths exam),Work out the rules:We can use “because” and “because of” to give the reason(s) for something.The word “because” introduces the clause of reason and we usually put it in the middle of a sentence. We use a noun, a noun phrase or a pronoun after “because of”.,
