Unit 10 If you go to the party, you'll have a great time Section A Grammar Focus-3c 课件（38张PPT)

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2022秋人教新目标英语八年级上册
Unit 10
If you go to the party,
you’ll have a great time!
Section A Grammar Focus-3c
To learn the first conditional if + will:
If…, you’ll…
— What will happen if they…
— If they ..., …will/won’t…
To learn the words: upset, taxi, advice
Look at the pictures and make sentences with “if”.
If you go to the party with Karen and Anna, you’ll have a good time.
If you take the bus to the party, you’ll be late.
If you stay at home, you will be sorry.
If you wear jeans to the party, the teachers won’t let you in.
If you have a robot, what will you do
If I have a robot, I will let it…
help with the housework.
babysit my little brother.
wake me up in the morning.
teach me English after school.
1. 我想我将乘公共汽车去参加聚会。
I ______ I’ll take the bus to the ______.
2. 如果你那样做，你将会迟到。
If you ______, ______ be late.
3. 我想我会待在家里。
I ______ ______ stay at home.
4. 如果你那样做，你会觉得遗憾。
If you ______, ______ ______ sorry.
do you’ll
think party
根据课本内容及汉语提示，完成下列句子。
think I’ll
do you’ll be
5. 如果他们今天聚会，将发生什么事？
_______ _______ _______ if they _______the party today
6. 如果他们今天聚会，班里一半的学生将不会去。
If they _______ it today, _______ the class _______ come.
7. 我们应当要求人们带食物来吗？
Should we _______ people to _______ food
8. 如果我们要求人们带食物来，他们将只带薯条和巧克力。
_______ we _______ people to bring food, _______ just _______ potato chips and chocolate.
What will happen have
have half
won’t
ask bring
If ask
they’ll
bring
都表示对事情的结果进行预测。
Can you tell the conjunction (连词) that connects the two parts of the sentences What does it mean
What tenses do the sentences use
一般现在时
一般将来时
What’s the meaning of the “do” here
If you take the bus to the party, you’ll be late.
If you stay at home, you’ll be sorry.
e.g. We will go to the park if it _______ _______ (rain) tomorrow.
if引导的条件状语从句
1. If you go there by bike, you will be late.
if 条件状语从句的主从复合句中，主句用一般将来时，从句用一般现在时表示将来。主将从现原则。
doesn’t
rain
从句，一般现在时
主句，一般将来时
2. If you are ill, you must go to the doctor.
if 条件状语从句中，如果主句有must，can，may 等情态动词，从句用一般现在时。
e.g. You must stop if the traffic light _____ (be) red.
is
e.g. Don’ t wait for me if I ______ (be) late.
3. Please call me if you come back.
if 条件状语从句中，主句是祈使句，从句用一般现在时表示将来。主祈从现原则。
am
从句，一般现在时
主句，情态动词
从句，一般现在时
主句，祈使句
1) Put up your hands if you ___________ (have) any questions.
2) If it ___________ (be) cold tomorrow, I will wear my sweater.
3) He can go home if he ___________ (finish) his homework.
4) 如果他来了，我们会让你知道的。
If he ___________, we ___________you know.
5) 如果天不下雨，她会开车来我家的。
If it ___________, she _________ to my home.
finishes
have
is
【语境应用】完成句子。
comes will let
doesn’t rain will drive
单项选择。
1) —Mrs. Li, will you be angry _______ your students don’t obey the rules in class
—A little. But I will stop them in a friendly way.
A. if B. unless C. though
2) _______ you drive, you mustn’t drink wine at all.
A. If B. Unless C. Though
3) — Let’s go climbing Langshan Mountain this Saturday
_______ the weather is fine.
—Good idea!
A. though B. if C. unless
A
A
B
1. You need to practise speaking every day _______ you hope to improve your spoken English. (2021 江苏南京)
A. if B. although C. unless D. until
2. Jason will go to visit his grandparents _______ he finishes his work this weekend. (2021 贵州安顺)
A. unless B. though C. if
A
C
if will
she, call me, I, tell her about it
If she calls me, I will tell her about it.
Finish the following sentences according to the example.
he, come, next weekend, I, tell you
If he comes next weekend, I will tell you.
no war, the world, more beautiful
If there is no war, the world will be more beautiful.
not rain, go hiking, this afternoon
If it doesn’t rain, we will go hiking this afternoon.
he, have free time, go to Shanghai
If he has free time, he will go to Shanghai.
句型转换
1. They will invite me. I’ll go to the party. (用if合并为含有条件状语从句的复合句，且从句在前)
2. I’ll come back late this evening. Don’t wait for me to have dinner. (用if合并为含有条件状语从句的复合句，且从句在后)
If they invite me, I will go to the party.
Don’t wait for me to have dinner if I come back late this evening.
upset adj. 难过；失望；沮丧
e.g. Mom will be upset if I forget it again.
如果我再忘记，我妈妈会失望的。
e.g. 你最好提前预定一辆的士。
You’d better order a taxi.
taxi n. 出租车；的士
e.g. Can you give me some advice
能请你给我一些建议吗？
Let me give you a piece of advice.
我来给你一条建议。
advice n. 劝告；建议 (不可数名词)
a piece of advice / a word of advice
一条建议；一则忠告
Who wrote this letter
Who is this letter for
Why does the person write the letter
What are some worries the person has
Read the passage and answer the questions.
Dear Su Mei,
I don’t _______ (know) what to _______ (do) about going to Mike’s birthday party tomorrow night. My parents _______ (think) I should study for my English exam next week. If I _______ (go) to the party, they _______ (be) upset.
Fill in the blanks with the correct forms of the verbs in brackets.
know
do
think
go
will be
don’t 后跟动词原形；what to + 动词形式，复合不定式结构。
本句表达客观事实，parents复数形式，故用一般现在时态。
含 if 条件状语从句的主从复合句；遵循主将从现原则。
Mike _________ (tell) us to wear nice clothes, but I don’t _________ (have) any. If I _________ (wear) jeans, I _________ (look) the worst. Also, I’m not sure how to _____ (go) to the party. If I _________ (walk), it _________ (take) me too long. If I _________ (take) a taxi, it _________ (be) too expensive. Can you give me some advice please
Tina
told
have
wear
will look
go
walk
will take
take
will be
Mike在邀请我们的时候告诉我们要穿上好衣服，是之前已经发生过的动作，用过去时；don’t 后跟动词原形。
含if条件状语从句的主从复合句，主将从现原则。
如何做某事，复合不定式结构。
含if条件状语从句的主从复合句，主将从现原则。
Tina’s worries:
Talk about Tina’s worries using the sentence with “if”.
If Tina goes to the party, her parents will …
If Tina wears jeans, I will…
If Tina walks there, it will…
If Tina takes a taxi, it will…
to go or not to go
what to wear
how to get there
Complete the sentences using your own ideas.
1. If I get up late tomorrow, ___________________________
2. If I don’t finish my homework, ______________________
3. If I don’t get enough exercise, _______________________
4. I will not have enough time to study if ________________
5. I will not make any friends if ________________________
1. If I get up late tomorrow, ____________________________
2. If I don’t finish my homework, _______________________
3. If I don’t get enough exercise, _________________________
4. I will not have enough time to study if _________________________________
5. I will not make any friends if _________________________________
I’ll be late for school.
my parents will be upset.
I’ll become very heavy.
I play chess after school every day.
I don’t go to my friends’ parties.
if引导的条件状语从句。
if条件句，放在前，逗号要放主句前；
if条件句，表条件，主将从现是关键。
Ⅰ. 根据句意及括号内所给词语的提示填空。
1. We ____________ (go) to the beach if it ____________ (not rain) this afternoon.
2. If Maria ____________ (get) good exam results, she ____________ (travel) to Hong Kong next year.
3. ____________(call) me if you ____________ (have) any problems.
will go doesn’t rain
gets
will travel
Call have
4. They ____________ (not come) to my party if their parents ____________ (not let) them.
5. What ____________ you ____________(do) if they ____________(ask) for your help
6. If you ____________ (not leave) now, I ____________(call) the police.
will not come
will do
ask
don’t let
don’t leave will call
Ⅱ. 根据短文内容及括号内所给英文提示语补全短文。
When your parents have to leave you alone (单独) at home, what will you do to be safe (安全的) Of course, your parents are always telling you a lot of things to stay away from danger.
Don’t be bored, just listen to them. (1)_______________________________________________ (if, follow ... advice, stay away from danger). OK. Let’s see what advice your parents used to give you.
Lock the door (锁门). (2)______________________________________________________________ (if, forget, lock, after, get home, dangerous). If a stranger comes to your door, it’s best to ignore (不理会) it.
If you follow their advice, you’ll stay away from danger
If you forget to lock the door after you get home, it will be dangerous
Don’t invite a person that you don’t know well to your house. (3)___________________________________ (if, do that, be in danger). What’s more, be careful about answering new phone calls. (4)_______________________________________________ (if, number, new to you, not pick up). Make sure you can use household appliances (家用电器). (5)_______________________________________________ (if, can’t, use ... in the right way, not use).
Never tell anyone that your parents are not at home. If you need any help, call 110 or your parents right away.
If you do that, you’ll be in danger
If the number is new to you, don’t pick it up
If you can’t use them in the right way, don’t use them
Write a story with your group on a piece of paper. The first person begins the story with “I think I will…” The others add some sentences with “if”. Pass the paper around twice. Then read the story.
I think I will go to the movies tonight. If I go to the movies, I won’t finish my homework. If I don’t finish my homework…
If I don’t do well in my test, my parents will be upset.
…
If I don’t finish my homework, I won’t do well in my test.
谢谢
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