1. 牛津版 八年级(8A)
Unit 4
Grammar A

2. panda

3. If hunters …
they will..
If people …
They will …
problems
If farmers …
Giant pandas will …

4. Problems about giant pandas
If hunters
they will
If farmers
giant pandas will
If people
catch a giant panda
kill it for its fur.
cut down trees and forests
have nowhere to live.
find baby pandas alone
often take them away.

5. Discussion
What can we do for giant pandas?

6. We grow more bamboo.
Giant pandas will have more food.
If--- “如果”
If we grow more bamboo, giant pandas will have more food. or
Giant pandas will have more food if we grow more bamboo.

7. I come to school late.
I will miss some classes. if

8. If I come to school late, I will miss some classes.or
I will miss some classes if I come to school late.

9. What will happen? 1. If I see a snake in front of me, ____ D
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 weekend, ____ D C E A B

10. It will rain tomorrow.
I will stay in bed. if
If it rains tomorrow, I will stay in bed. or
I will stay in bed If it rains tomorrow.

11. Fill 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
don’t have
will share
will be
keep

12. 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 feeding of animals.
3. If I ____ (find) the Monkey Hill,
I ________ (have) fun there. go
will learn
arrive
will see
find
will have

13. 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

14. 1.I will stay in bed If it rains tomorrow
2.Giant pandas will have more food if we grow more bamboo
3.If hunters catch a giant panda, they will kill it for its fur.
4.If I come to school late, I will miss some classes. .

15. Work out the rules 1.我们用if 条件状语从句来谈论 “可能的行动导致的可能的结果”
If we grow more bamboo, giant pandas will have more food to eat.
Giant pandas will die if we do not protect them.

16. work out the rules!
2.We need a _______(comma, full stop) after the ‘if’—clause when it is the first part of a sentence.

17. work out the rules!
3.If在此引导一个条件状语从句。当主句是用一般将来时，if引导的从句必须用一般现在时来表示将来可能发生的动作或存在的状态。

18. ‘If’-clause 从句
(simple present tense一般现在时)
Main clause 主句
(simple future tense一般将来时)
If we grow more bamboo,
giant pandas will have more food.
If we do not protect giant pandas,
they will die.

19. 翻译题 1. 如果人类没有食物吃，就会死亡。 2. 在很久以前,如果人们没有衣服穿，他们会杀死熊来获取皮毛。
3.如果鹦鹉饥饿的话，它会敲打笼子的门。
4.如果我收到她的来信，我会非常高兴。
5.如果在野外的话,狼会过着群居生活。

20. The answers to the questions
1. If people have no food to eat, they will die.
2. Long ago, if people have no clothes to wear, they will kill bears for fur.
3. If a parrot is hungry, it will knock on the cage door.
4. If I hear from her, I will be very happy.
5. Wolves live in family groups if they are in the wild.

21. When if clause used generally now from the sentence
When the principal clause main clause used generally in the future
If we grow more bamboo,
giant pandas will have more food.
If we do not protect giant pandas,
they will die.

22. 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,

23. 4. We _______ (keep) pandas safe from danger if we _____ (build) 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

24. 7. If we ____ (build) the giant panda reserves, we _____________ (encourage) them to leave.
8. If we _______ (not do) anything, soon there ______ (be) no pandas in the world.
build
will encourage
don’t do
will be

25. 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

26. 4. If there 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).
will take
doesn’t have
dies

27. 请将下列各题中所给的句子用if连成一个句子。
1. Sandy will not have time. I will ask Lucy instead.
If Sandy doesn't have time, I'll ask Lucy instead.

28. 2. We will not protect tigers. There will be no tigers.
There will be no tigers if we don't protect them.
3. I will be busy tomorrow. I will not go shopping with you.
If I'm busy tomorrow, I will not go shopping with you.

29. 4. Tom will come back. Please call me.
If Tom comes back, please call me.
5. It will snow tomorrow. Mr Li will make a snowman with us.
If it snows tomorrow, Mr Li will make a snowman with us.

30. 6. You can walk there. You don’t have a bike.
You can walk there if you don't have a bike.