(共20张PPT)
Unit 10
If you go to party, you’ll have a great time!
Grammar Focus-3c
She will be late.
If she _____ to school, she _____ ___late.
She is going to
walk to school.
walks
will
be
Lead-in
从句
主句
主将从现
It is going to rain tomorrow.
I will stay at home.
If it _____ tomorrow, I _____ _____ at home.
rains
will
stay
从句
主句
主将从现
It will be sunny tomorrow.
They will have a trip
tomorrow.
is
will
have
If it ____ sunny tomorrow, they _____ ______ a trip.
从句
主句
主将从现
He won’t study hard.
He will fail in the exam.
If he _______ study hard. He ____ _____ in the exam.
doesn’t
will
fail
从句
主句
主将从现
Grammar Focus
I think I'll take the bus to the party. If you do, you'll be late.
I think I'll stay at home. If you do, you'll be sorry.
What will happen if they have the party today? If they have it today, half the class won't come.
Should we ask people to bring food? If we ask people to bring food, they'll just bring potato chips and chocolate.
If you take the bus to the party, you’ll be late.
If you stay at home, you’ll be sorry.
为避免重复,条件状语从句常用助动词do(does/did)来替代上文提到的动作。
从句
主句
主句
从句
(一般现在时)
(一般将来时)
(一般现在时)
(一般将来时)
主将从现
If I go to the party, I’ll have a great time.
I’ll have a great time if I go to the party.
if 引导的条件状语从句
If是连词,表示假设或条件,意思是“ 如果…的话”,表示将会发生和可能发生的事,或进行提醒警告。
if从句可以放在句首, 也可以放在句末。
句子结构:If+从句,主句。=主句+if+从句 。
注意:
1.如果主句是祈使句,那么从句通常要用一般现在时。 (即主祈从现)
If you _____ (want) to have a chat ,_____ (call) me up.
如果你想聊天,打我电话。
__________ (not wait) for me if I _____ (be) late.
如果我迟到,就别等我。
改同义句:
want
call
Don't wait
am
Call me up if you want to have a chat.
If I am late,don't wait for me.
注意:
2.如果主句是含有must,can,may 等情态动词时,根据需要从句多用一般现在时the simple present tense。(即主情从现)
You can _____ the exam if you _____ (work) hard.
如果你努力学习,你就能通过这次考试。
You must _____ if the traffic light ____ (be) red.
如果交通灯是红色,你必须停下来。
改同义句:
pass
work
stop
is
If you work hard,you can pass the exam.
If the traffic light is red,you must stop.
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) _______ we deal with our problems, we can easily become unhappy.
A. Until B. If C. Unless D. Though
C
解析:Unless we deal with our problems, we can easily become unhappy.
= ____ we ______ deal with our problems, we can easily become unhappy.
If don’t
2) —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
3) _______ you drive, you mustn’t drink wine at all.
A. If B. Unless C. Though
4) You will see many aunts dancing together on the square if it _______ in the evening.
A. doesn’t rain B. rains
C. will rain D. won’t rain
A
A
A
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
Fill in the blanks with the correct forms of the verbs in brackets.
know
do
think
go
will be
tells
have
wear
will look
go
walk
will take
take
will be
3b
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. I’ll be late for school.
2. my parents will be upset.
3. I’ll become very heavy.
4. I play chess after school every day.
5. I don’t go to my friends’ parties.
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 sentences with “if”. Pass the paper around twice. Then read the story.
3c
I think I will go to the movies tonight.
If I go to the movies, I won't ...
If I don't ...
Chain story
If I get up at 9:00 tomorrow,
If I don't eat breakfast tomorrow,
If I have 100 yuan, I will buy some books.
If I buy some books, I will read them every day.
If I read books every day, I will get good grades.
If I get good grades, my parents will be happy.
If my parents are happy, I will get more money.
If I get more money, I will buy more books.
Let’s play “If” game!
Chain game
1. _____, you will get good grades. (2020湖南湘西中考)
A. If you will work hard
B. If you work hard
C. If you worked hard
2. You will feel cold _______ you don’t wear a coat. (2020 甘肃金昌)
A. so B. though C. if D. unless
3. Our school basketball team will win the next match (比赛) _______ they practice more. (2020 江苏淮安)
A. if B. before C. though D. while
4. — Let’s go climbing Langshan Mountain this Saturday _______ the weather is fine. (2019 湖南邵阳)
—Good idea!
A. though B. if C. unless
B
C
A
B
Ⅰ. 根据句意及括号内所给词语的提示填空。
1. What ______________(happen) if Mr. Smith __________ (arrive) late
2. If it ____________(not rain) tomorrow, I __________(visit) my grandparents.
3. If there __________(be) fewer trees, there __________(be) more pollution.
4. If he __________(come) to the tea party, please let me know.
will happen arrives
doesn't rain will visit
are will be
comes
5. I'm waiting for my friend. If she _____________(not come), I ___________________(go shopping) alone (独自).
6. You __________(not get) good grades if you __________ (not work) hard.
doesn't come
won't get don't work
will go shopping
THANK YOU!