内容正文:
if 引导的条件状语从句
初中英语人教版八年级上册Unit10 If you go to the party, you’ll have a great time!
Play a guessing game.
What will happen if I touch (触摸) it?
If you touch it, it will ______
get angry
Will it …?
cry
exercise
smile
if 引导的条件状语从句
时态 — 主将从现
主句用一般将来时,从句用一般现在时来表示将来可能发生的动作或存在的状态
如果明天下雨,我将不出去散步。
If it rains tomorrow,
I won’t go out for a walk.
从句
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 you do, you’ll be late.
You’ll be late, if you do.
if 条件状语从句
主句
It will be sunny tomorrow.
We will have a trip tomorrow.
We will have a trip if it is sunny tomorrow.
If it is sunny tomorrow, we will have a trip.
We will have a trip if it is sunny tomorrow.
If it is sunny tomorrow, we will have a trip.
主句在前,从句紧跟其后
从句在前时,用“,”与主句隔开
If you go to the party, what will you wear?
If I go to the party, I will wear jeans.
I will take a bus if I go to the party.
If you go to the party, how will you go?
If you don’t go to the party, what will you do?
If I don’t go to the party, I will sleep at home.
If she eats too much, she will be very fat.
Make your sentences.
If it rains tomorrow, she will study at home.
If I study hard, I will go to Beijing University.
It’s your turn now!
What will happen if you get up at 9:00 this morning ?
14
If I get up at 9:00, I will be late.
What will happen if you are late?
16
If I am late, the teacher will be angry with me.
What will happen if your
teacher is angry with you?
18
If the teacher is angry with me, I will be sad.
If I am sad, I will cry.
What will happen if you are sad?
20
If I get up at 9:00, I will be late.
If I am late, my teacher will be angry with me.
If my teacher is angry with me, I will be sad.
If I am sad, I will cry.
….
Chain practice
21
Mrs. Black will come to help us if she _______ too busy tomorrow.
A. is B. will be
C. won’t D. isn’t
解析:“如果布莱克夫人明天不是很忙的话,她会来帮助我们”。在if引导的条件状语从句中,若主句用一般将来时,从句要用一般现在时表示将来。根据题意可知选 D。
典型例题
— We’ll go for a picnic if it _________ this Sunday.
— Wish you a lovely weekend.
A. rain B. doesn’t rain C. won’t rain
B
1. I’m sure if he _________ (go) to the party, he ___________ (have) a great time.
2. I’ll buy a computer if I ______ (have) enough money.
3. You _____________ (not get) nervous if you _____ (do ) enough exercise.
goes
will have
have
won’t get
do
Fill in the blanks using the correct forms of the words.
4. If you ______(study) hard, you _____ (can)
pass the exam.
5. Don’t ______ (cross) the road if the light
___ (be) red.
6. If you ______ (work) really hard, you
_______ (be) famous and rich.
work
can
cross
is
will be
study
( ) Johnson won’t answer the phone if he ___________ the number.
A. knew B. doesn’t know
C. will know D. didn’t know
( ) If you _____ able to come, I will show you around my hometown.
A. is B. can be
C. will be D. are
中考真题
( ) If I go to the movie, I __________ my homework on time.
A. didn’t finish
B. don’t finish
C. won’t finish
( ) Our world will get better and better _____ each of us lives a greener life.
A. before B. if C. though D. until
( ) — I think everyone should play a part in saving our environment.
— I agree. For example, there will be less air pollution _____ we drive less.
A. if B. so C. though
Let’s relax.
Choose a number that you like and try to finish the tasks.
What will happen if you don’t finish your homework?
If I don’t finish my homework, the teacher will be angry with me.
Number 1
Number 2
Chain practice:用if 条件句接龙
(至少4个句子)
提示词:
study hard, get good grades, go to university, make a lot of money, travel around the world, have a great time
If you are rich, what will you do?
If I am rich, I will buy a big house.
Number 3
If I see the accident (事故), I will …
Number 4
If he comes, what will you do?
If he comes, I will give him some flowers.
Number 5
If I ___________, I _______ an A.
Number 6
看图完成句子
study hard
will get
Number 7
give it to the teacher use up (用完) the money
If you find a wallet (钱包) on the ground, what will you do?
If I ____a wallet on the ground, I _______________________.
find
will give it to the teacher
Number 8
用 if 合并为一句话
a. I’m going to eat and drink more.
b. I will be fatter.
→ If I eat and drink more, I will be fatter.
$$