外研版九年级英语上册课件 Module 6 Unit 3 (共30张PPT)

(共30张PPT)
Unit 3 Language in use
Module 6
Problems
If you play a solo(独奏曲), we _________(play) some music all together.
won’t play
Look and say
If a policeman _______ (catch) the thief, he __________ (punish) him.
will punish
catches
______ you don’t finish your homework, your teacher _________ (be) angry.
If
will be
If Sandy _____ (be) sick, she __________ (can attend) the competition.
can’t attend
is
Objectives
1. To summarise and practise the use of the if-clause
2. To learn to describe a problem and give advice
3. To be able to write about a problem
语法讲解建议采用归纳法，如尽可能多的呈现一些相关例句，或可让学生从已学课文中找相应例句，引导学生试着从所观察到的语言现象中总结出语法规律。
1. If I start after dinner, I’ll finish it before I go to bed.
2. If you do all these other things instead of your homework, you won’t have time to study.
Observe the following examples carefully. They are all from this module.
3. He thinks something will go wrong if I play games on it.
4. If you start now, you’ll finish it before dinner.
5. If you work harder, you will do better next time.
6. If you tell him the truth now, he will be angry with you, but at least you will show that you are honest.
1. If I ______ (start) after dinner, I _________ (finish) it before I go to bed.
2. If you ______ (do) all these other things instead of your homework, you __________ (not have) time to study.
3. He thinks something ________ (go) wrong if I ________ (play) games on it.
4. If you ________ (start) now, you __________ (finish) it before dinner.
5. If you _______ (work) harder, you _________ (do) better next time.
6. If you ________ (tell) him the truth now, he _________ (be) angry with you.
start
will finish
do
won’t have
will go
play
start
will finish
work
will do
tell
will be
go
Ready
If 引导的条件状语从句(2)
1.如果我晚饭后开始（做家庭作业），睡觉前就能做完。
If I start after dinner, I’ll finish it before I go to bed.
2.如果你尽做这些其他的事，不做作业，你就没有时间学习了。
If you do all these other things instead of your homework, you won’t have time to study.
3.如果你现在开始做，晚饭前你就能做完了。
If you start now, you’ll finish it before dinner.
4.如果她来得及时，就可以和我们一道去。
She may come with us if she arrives in time.
If引导的条件状语从句：
结构 用途 含义 例句
if从句 + 祈使句 表达建议 如果……就…… If you don’t feel well, please go to see the doctor.
if从句 + 主句 表达某种假设 如果……就…… If he doesn’t work hard, he’ll fail his exams.
1.从句表示某种假设的情况，主句表示此种情况所导致的结果。
2.从句如果用一般现在时，主句的谓语动词多用一般将来时或“情态动词+动词原形”。
1. 在含有if引导的条件状语从句的复合句中，如果从句的主语为you，该复合句可转换为: 肯定句用：祈使句 + and + 简单句 ，否定句用祈使句 + or + 简单句 。
1) You will get better marks if you work harder.
= Work harder and you’ll get better marks.
2) If you don’t put the meat in the fridge, it will go bad.
= Put the meat in the fridge, or it will go bad.
2. 有时，if引导的条件状语从句可以与 with或without引起的介词短语互换使用。
1) If Linda helps me, I can finish the report soon.
= With Linda’s help, I can finish the report soon.
2) If there’s no water, fish may die.
= Fish may die without water.
3. if还有“是否”之意，引导宾语从句。在具体使用中，我们要注意区分if引导的 是宾语从句还是条件状语从句。
Do you know if he will come back next week If he comes back, please let me know.
是否
如果
以下部分为课本练习，供老师在对答案时选择使用。
Listen in class, or you will not understand what to do.
Rewrite the sentences with if. (P 46)
If you do not listen in class, you will not understand what to do.
If you don’t eat some breakfast, you will get hungry at school.
1. Eat some breakfast, or you’ll get hungry at school.
You will get hungry at school if you don’t eat some breakfast.
1
2. Hurry up! You will be late!
3. Read the book carefully. Then you will not make mistakes.
4. Don’t watch too much TV, or your eyes will hurt.
5. Work harder! You will get better marks.
If you don’t hurry up, you will be late.
If you read the book carefully, you will not make mistakes.
If you watch too much TV, your eyes will hurt.
If you work harder, you will get better marks.
You will be late if you don’t hurry up.
You will not make mistakes if you read the book carefully.
Your eyes will hurt if you watch too much TV.
You will get better marks if you work harder.
Think of three problems you have in your schoolwork. Make notes about them in the Problem boxes. (P 46)
Schoolwork
Problem
Advice
Now work in pairs. Talk about your problems and give advice to each plete the table.
—I can’t speak English well.
—If you practise more outside the classroom, you will make progress.
2
Complete the sentences so that they are true for you. (P 46)
1 I will be really happy if _______________.
2 I will do well in English if ___________
__________________.
3. My parents will be angry if __________
_______________.
4 If it rains next Saturday, I ___________
________________________.
I pass all my exams
I practise a lot at home
I don’t find my mobile phone
will stay at home and watch a film on TV
3
honest pocket money problem refuse repair terrible truth wear
repair
truth
honest
pocket money
problem
refused
wore
terrible
Complete the conversation with the correct form of the words and expression in the box. (P 47)
4
Complete the passages with the correct form of the expressions in the box. (P 47)
at the end of be angry with
be proud of listen to
are angry with
am proud of
at the end of
listen to
5
Read the problems and give your advice. (P 48)
A
C
B
Don’t care about the result too much. The most important thing is that you attend it and do your best.
You should have a talk with Linda and let her know that there is no bigger part, but better actor. We should try to be better actors.
You should help Peter to understand the work and persuade him to do it by himself.
6
Listen to the conversation and answer the questions. (P 48)
1 What is the girl’s problem
2 Is it a common problem among teenagers
3 What does the doctor advise the girl to do
4 What does the doctor advise the girl not to do
She finds it difficult to get to sleep at night.
Yes, it is.
The doctor advises the girl to take enough exercise, eat healthy food and find ways to relax before she goes to bed.
The doctor advises the girl not to eat too much sugar, watch TV or play on the computer before she goes to bed.
7
★在if引导的条件状语从句中，如果主句为一般将来时，从句常用一般现在时。
★如果主句含有情态动词，if引导的条件状语从句一般也要用一般现在时。
用所给动词的适当形式填空。
1. They ___________ (practise) football if it __________ (not rain) tomorrow.
2. You must _________ (see) the doctor, if you __________ (not feel) well.
3. If Mary __________ (leave) home too long, she ________ (miss) her parents.
4. If he _________ (do) well in the exams, his parents _________ (be) pleased.
5. Tony ________ (visit) his grandma if he ________ (be) free tomorrow.
will practise
doesn’t rain
see
don’t feel
leaves
will miss
does
will be
will visit
is
1. Preview the new words and expressions in Module 7.
2. Search for some information about Confucius.