鲁教版 英语 七年级下册期末复习专题课件（15张PPT）

初二期末复习专题
If 引导的条件状语从句
To review the conditional if+will:
— What will happen if they…
— If they ..., …will/won’t…
To write a story with if ……
if从句
主句
位置：if引导的条件状语从句，既可放在主句之前，也可放在主句之后。当从句置于主句之前时，常用逗号与主句隔开。
If you take the bus to the party,
you will be late.
这个句子可以改写为：
You will be late if you take the bus to the party.
if从句
主句
条件状语从句表示主句动作发生的条
件，通常由 if 来引导，意为“如果”。
时态：
1. 如果主句是一般将来时，从句常用一般现在时。即应遵循“主将从现”的原则，
If she comes to see me tomorrow, I’ll be happy.
If it snows tomorrow, I will not go to the park.
won’t
2. 如果主句含有must /can/may 等情态动词，从句一般用___________。
You must stop if the traffic light ____ (be) red.
is
一般现在时
3. 如果主句是祈使句， 从句也常用___________。
一般现在时
Please stay at home if it _____ 　　　　(rain) tomorrow.
rains
What tenses do the sentences use?
一般现在时
一般将来时
1. — I think I’ll take the bus to the party.
— If you do, you’ll be late.
2. — I think I’ll stay at home.
— If you do, you’ll be sorry.
3. — What will happen if they have the party today?
— If they have it today, half the class won’t come.
4. — Should we ask people to bring food?
— If we ask people to bring food, they’ll just bring potato chips and chocolate.
1. — I think I’ll take the bus to the party.
— If you _____ (do), you _____ _____ (be) late.
2. — I think I’ll stay at home.
— If you _____ (do), you _____ ______ (be) sorry.
3. — What will happen if they have the party today?
— If they ______ (have) it today, half the class ______ ______ (not come).
4. — Should we ask people to bring food?
— If we _____ (ask) people to bring food, they ______ just _____ (bring) potato chips and chocolate.
do
will be
do
will be
have
won’t come
ask
will bring
go
Ready?
Combine two sentences.
Example:
a. You think you’re going to visit New
York City.
b. You will see some tall buildings.
→ If you go to visit New York City,
you’ll see some tall buildings.
1. a. You think you’re going to study
English hard.
b. You will do better in English.
2. a. You think you’re going to eat
and drink more.
b. You will be fatter.
→ If you study English hard, you’ll
do better in English.
→ If you eat and drink more, you’ll
be fatter.
3. a. They think they are going to do
more exercise.
b. Their health will be better.
4. a. I think you are going to let me
watch TV.
b. I will stay at home.
→ Their health will be better if they
do more exercise.
→ I will stay at home if you let me
watch TV.
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
______________
Complete the sentences using your own ideas.
I’ll miss the bus.
my teacher will be unhappy.
I will be unhealthy.
I play computer games every day.
I am too shy.
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”. Then read the story.
Group work
I think I will go to the concert tonight. If I go to the concert, I won’t finish my homework.
If I don’t finish my homework, …
Ⅰ. 根据句意及所给提示完成句子。
1. If you don’t go to school, ____________
____________ (teacher, be angry).
2. If Tina doesn’t study hard, __________　　　　　　　　
_____________ (fail the exam again).
3. If you go to the park with us, ________　　　　　　　
______________ (have a great time).
4. If you don’t leave now, _____________　　　　　　　　
__________ (catch the last bus).
5. If you are a movie star, _____________　　　　　　　　
__________ (be famous).
the teacher will be angry
she will fail the exam again
you will have a great time
you won’t catch the last bus
you will be very famous
1. Write a short passage about your future using if...will...
2. Review the new words and expressions.