Unit4 Wild Animals

If…

Grammar A

lion

monkey

panda

giraffe

polar bear

zebra

tortoisefox

wolves

tiger

camel

What will happen if you come to school late ?

I will miss some classes.

If I 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.

It is going to rain 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.

We grow more bamboo.

Giant pandas will have more food.

If we grow more bamboo, giant pandas will have more food.

Ifif

Giant pandas will have more food if we grow more bamboo.

It will be sunny tomorrow.

We will have a trip tomorrow.

用

if

合

并

成

一

句We will have a trip if it is sunny tomorrow.if is

If 在此引导一个条件状语从句。当主句是一般将来时， if引导的从句必须用现在时来表示将来可能发生的动作或存在的状态。

A. Using conditional sentences to talk about

possible situations

‘If’-clause 从句(simple present tense一般现在时 )

Main clause 主句(simple future tense一般将来时 )

IfIf we growgrow more bamboo,

giant pandas will havewill have more food.

IfIf we do not protectdo not protect giant pandas,

they will diewill die.

We can use conditional sentences to talk abouWe can use conditional sentences to talk about the possible result of a possible action.We mt the possible result of a possible action.We make conditional sentences like this.ake conditional sentences like this.

• We need a _______(comma, full stop) after the ‘if’—clause when it is the first part of a sentence.

Tips

• 1.We put a comma after the ‘If’-clause when it is the first part of a sentence.

• 2.We do not use a comma if the main clause comes first.

翻译题

• 1.1. 如果人类没有食物吃，就会死亡。如果人类没有食物吃，就会死亡。• 2.2. 在很久以前在很久以前 ,, 如果人们没有衣服穿，他如果人们没有衣服穿，他

们会杀死熊来获取皮毛。们会杀死熊来获取皮毛。• 3.3. 如果鹦鹉饥饿的话，它会敲打笼子的门。如果鹦鹉饥饿的话，它会敲打笼子的门。• 4.4. 如果我收到她的来信，我会非常高兴。如果我收到她的来信，我会非常高兴。• 5.5. 如果在野外的话如果在野外的话 ,, 狼会过着群居生活。狼会过着群居生活。

The answers to the questions• 1.If people have no food to eat, t

hey will die.• 2.Long ago,if people have no clo

thes 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.

Grammar B & C Grammar B & C

Giving reasons with Giving reasons with

““because”because” or or “because of ”“because of ”

Which animal do you like best ? Why?

I like… because….

Help Amy answer the questionsHelp Amy answer the questionsWhy did you go to Beijing Zoo?Why did you go to Beijing Zoo?

Why didn’t you take any food for animals?Why didn’t you take any food for animals?

Why did you stay in the zoo for so much time?Why did you stay in the zoo for so much time?

Why must we protect wild animals?Why must we protect wild animals?

I went to Beijing Zoo I went to Beijing Zoo becausebecause I wanted to see I wanted to see wild animals there. wild animals there.

I didn’t take any food I didn’t take any food becausebecause we mustn’t feed we mustn’t feed the animals in the zoo. the animals in the zoo.

I stayed in the zoo for so much time I stayed in the zoo for so much time becausebecause the dolphin show was long.the dolphin show was long.

We must protect wild animals We must protect wild animals becausebecause wild wild animals are our friends. animals are our friends.

Ask Amy questions:Ask Amy questions: 1. I went to Beijing Zoo 1. I went to Beijing Zoo because I could lebecause I could le

arn a lot about animals therearn a lot about animals there. .

2. I arrived at noon 2. I arrived at noon because I wanted to sebecause I wanted to see the feeding of the animale the feeding of the animals.s.

3. I tried to find the Monkey Hill 3. I tried to find the Monkey Hill because I because I wanted to have fun therewanted to have fun there. .

Why did you go to Beijing Zoo?Why did you go to Beijing Zoo?

Why did you arrive at noon?Why did you arrive at noon?

Why did you try to find the Monkey Hill?Why did you try to find the Monkey Hill?

Ask Amy Questions:Ask Amy Questions:

4. I wanted to have more time 4. I wanted to have more time because I because I wanted to watch the dolphin showwanted to watch the dolphin show..

5. I watched the animals carefully 5. I watched the animals carefully because I wanted to get enough because I wanted to get enough information for my reportinformation for my report. .

Why did you want to have more Why did you want to have more time?time?

Why did you watch the animals carefully?Why did you watch the animals carefully?

Animal Show

• Do you like animals?• Do you want to enjoy animal

shows?• Come to our Animal Show! • Place: Hongshan Forest Zoo• Time: 2p.m.- 4p.m.

1. All the people cheered because of the wonderful show.

2. Lots of people knew about the show because of the advertisement on TV.

3. The dolphins were really tired because of the long performance.

4. Some students couldn’t go to the show because of the exam next week.

All the people cheered All the people cheered becausebecause they enjoyedthey enjoyed the wonderful show.the wonderful show.

Lots of people knew about the show Lots of people knew about the show because because they watchedthey watched the advertisement on TV. the advertisement on TV.

The dolphins were really tired The dolphins were really tired because they because they performed performed for a long time.for a long time.

Some students couldn’t go to the show Some students couldn’t go to the show because because they would havethey would have an exam next week. an exam next week.

Fill in the blanks with “because”or Fill in the blanks with “because”or “because of”:“because of”:

• I didn’t go to the zoo ____________the I didn’t go to the zoo ____________the hot weather.hot weather.

• Many animals live in rainforests ______Many animals live in rainforests _________ there is lots of food. ___ there is lots of food.

• Amy run the other way____________ shAmy run the other way____________ she saw a snake. e saw a snake.

• Birds can fly very high Birds can fly very high __________________________ttheir wings(heir wings( 翅膀翅膀 ).).

• Snakes sleep for a long time in winter __Snakes sleep for a long time in winter ____________it is cold. __________it is cold.

because ofbecause of

becausebecausebecause because

because of because of

because because

• I can’t go to the cinema with you I can’t go to the cinema with you ___________I have a lot of homework to ___________I have a lot of homework to do. do.

• The ground is all wet ___________the The ground is all wet ___________the flood.flood.

• There was a flood ___________the heavy There was a flood ___________the heavy rain.rain.

• There are trees falling down on the road There are trees falling down on the road _____________ the strong wind._____________ the strong wind.

• The people are so sad ____________they The people are so sad ____________they have lost their farms.have lost their farms.

becausebecause

because ofbecause of

because ofbecause of

because ofbecause ofbecausebecause

Help Amy complete the article!Help Amy complete the article! We should do something to help the animals _We should do something to help the animals _

__________ they are our friends. Now they a__________ they are our friends. Now they are in danger __________ hunters kill them fore in danger __________ hunters kill them for their fur and meat. So they died _________r their fur and meat. So they died __________ people. They have nowhere to live, ________ people. They have nowhere to live, __________ people cut down too many trees. Some of ___ people cut down too many trees. Some of the animals can’t survive ____________ the cthe animals can’t survive ____________ the changes to the climate (hanges to the climate ( 气候气候 ). We are going t). We are going to do something to help ____________ we learo do something to help ____________ we learned a lot about animals. _______________ aned a lot about animals. _______________ animals, man lives a happier life on the earth. nimals, man lives a happier life on the earth.

because because because because

because ofbecause ofbecause because

because ofbecause of

becausebecausebecause ofbecause of

Make up your own Make up your own dialogue!dialogue!

• D: Kitty, would you like to go D: Kitty, would you like to go to the zoo with me?to the zoo with me?

• K: Why do you want to go to K: Why do you want to go to the zoo?the zoo?

• D: D: BecauseBecause I want to learn I want to learn about the animals and we’ll about the animals and we’ll have a great time there.have a great time there.

• K: Why? K: Why? • D: D: BecauseBecause there is a wonderful there is a wonderful

dolphin show there. dolphin show there. • K: A dolphin show! I like K: A dolphin show! I like

dolphins. I will go with you dolphins. I will go with you because ofbecause of the dolphin show. the dolphin show.

Talking about Talking about these these questions:questions:Why do you Why do you want to go to want to go to the zoo?the zoo?How will feel at How will feel at the zoo? Why?the zoo? Why?Can your friend Can your friend go? go? Why or why Why or why not?not?