人教版八年级上册Unit10 If you go to the party, you'll have a great time Section A grammar focus-3c课件(共22张PP

(共22张PPT)
Unit 10
Unit 10
If you go to the party,
you’ll have a great time!
She will be late.
If she _____ to school, she _____ ___late.
She is going to
walk to school.
walks
will
be
Warming up
if 条件状语从句中，主句用一般将来
时，从句用一般现在时(主将从现)
It is going to rain tomorrow.
I will stay at home.
If it _____ tomorrow, I _____ _____ at home.
rains
will
stay
If it ____ sunny tomorrow, they _____ ______ a trip.
It will be sunny tomorrow.
They will have a trip
tomorrow.
is
will
have
If you go to the party,
you will have a great time.
If I have enough money,
I will...
If I have enough money,
I will go on a vacation.
If he studies hard,
...
If he studies hard,
he will go to Beijing University
If I don’t have classes tomorrow,
...
If I don’t have classes tomorrow,
I will play soccer with my friends.
If he doesn’t get up early,
...
If he doesn’t get up early,
he will be late.
If she eats too much,
...
If she eats too much,
she will be very fat.
What tenses do the sentences use
一般现在时
一般将来时
If I get up at 9:00,
在if 引导的条件状语从句中， 如果主句是______________，那么if 引导的从句用_______________来表示将来可能发生的动作
或存在的状态,也就是所谓的___________。
注意：if条件状语从句中,主句只能用will表示一般将
来时，不能用be going to
If she is happy，she will play the guitar .
I will be late.
总结 if 引导的条件状语从句
主句和从句时态如何？
一般将来时态
一般现在时态
“主将从现”
2. 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。
If you are ill, you must go to the doctor.
3. 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。
Please call me if you come back.
2) If it ____ (be) cold tomorrow, I will wear my sweater.
3) He can go home if he ________ (finish) his homework.
finishes
1) Put up your hands if you _____ (have) any questions.
have
is
【语境应用】完成句子。
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.
comes will let
doesn't rain will drive
1. he, come, next weekend I, tell you
If he comes next weekend, I will tell you.
2. not rain go swimminging, this afternoon
If it doesn’t rain, I will go swimming this afternoon.
3. he, have free time go to Shanghai
If he has free time, he will go to Shanghai.
1. if, drive too fast may, something bad , happen
If you drive too fast , something bad may happen .
2. a fire you call 119 ,at once(立刻), should
If there is a fire , you should call 119 at once.
3. if, meet her tell Mary ,to give me a call
If you meet her, tell Mary to give me a call.
4. come to Chengdu let me know
If you come to Chengdu, let me know.
if引导宾语从句:
if 引导的宾语从句表达意思为“是否”。时态根据需要决定。
He asked me if I am from Japan.
Could you tell me if Lily will come
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. 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
3a
know
do
think
go
will be
told
have
wear
will look
go
walk
will take
take
will be
建议
出租车
sad
advice n. 劝告；建议 （不可数名词）
你能给我一些建议吗？
Can you give me some advice
a piece of advice 一条建议
Let me give you a piece of advice.
我来给你出个点子.
I don’t know what to do about going to Mike’s birthday party tomorrow night.
Also, I’m not sure how to go to the party.
wh-- + to do作宾语
I don't know where to go.
I don't know how to say.
Tom was not sure how far to walk.
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 _______________________________
3b
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.