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第3课时
Section A (Grammar Focus 3a-3c)
Unit 8 Let’s Communicate
教学重难点
01
02
能够通过表格活动，引导学生掌握if条件句的内容；
能够根据学习目标和个人情况，选择适合的学习策略。
如何引导学生观察，培养其独立思考和发散性性思维；
如何引导学生使用if条件句，加强语法记忆巩固。
Let’s Review
Watch the video
Read the sentences.
Find more sentences with if-clauses in Section A.
If you want to solve the problem, a face-to-face talk usually works the best.
Texting can make things worse if you’re not careful with your words.
If the rehearsal ends at 7:00 p.m., I’ll pick you up at 7:15 p.m.
If you stay calm and say sorry, it will help.
If I go there, I will try all the delicious local food.
3a
零条件句 概念 零条件句是一种用于表达普遍真理、客观事实、习惯或固定规则等情况的句子结构
构成 由if引导的条件状语从句和主句构成。if引导的条件状语从句可位于主句之前或之后。位于主句之前时，一般要用逗号与主句隔开；如果放在主句之后，其前不必用逗号
时态 从句和主句都用一般现在时
eg: If you touch fire, you get burned.　
如果你触碰火，你会被烧伤。
Plants die if they don't get enough water.　
如果植物得不到足够的水，就会死亡。
Grammar Focus
条件状语从句
第一条件句 概念 第一条件句是一种用于表达假设情况及其可能结果的句子结构，通常用于谈论将来可能发生的事情
构成 由if引导的条件状语从句和主句构成。if引导的条件状语从句可位于主句之前或之后。位于主句之前时，一般要用逗号与主句隔开；如果放在主句之后，其前不必用逗号
时态 if引导的条件状语从句用一般现在时，主句用一般将来时，也可以用“情态动词（如can、may、might、should等）十动词原形”
eg: If it rains tomorrow, I won't go hiking.
=I won't go hiking if it rains tomorrow. 如果明天下雨,我就不去远足。
You can pass the exam if you study hard.　
如果你努力学习，你就能通过这次考试。
Grammar Focus
条件状语从句
【拓展】
　第一条件句通常可与以下句型相互转换：
①祈使句+and/or + 一般将来时的句子.
eg: If you are quick, you won't be late for class.
=Be quick, and you won't be late for class.
=Be quick, or you will be late for class. 如果你动作快，就不会上课迟到。
②含有介词 with 或 without 的句子
eg: If there is no water, we can't live.
　 =We can't live without water. 如果没有水，我们就无法生存。
Grammar Focus
条件状语从句
Match the two parts to make sentences.
1. If we can have a face-to-face meeting， A. try texting.
2. If I have good news， B. We′ll understand each other better.
3. If you need to leave， C. you can write things down for him.
4. If you can finish your work early today， D. I′ll call you right away.
5. If the old man has difficulties in hearing， E. I′ll call a taxi for you.
6. If you can′t reach her by phone， F. will you join me for dinner
3b
… If things ________ (go) well，we ____________ (see) all those old faces again. Just think how great it will be! If you think you can come，_________ (drop) me a line and I _____________ (give) you all the details about the reunion. But promise me you'll think about it seriously.
Hey，it′s me. I wanted to talk to you about the training plan for our team. The new season is coming，so it′s time to make a plan for our training. If we ________ (start) earlier this year，I think we ____________ (perform) better. ________ (give) me a call and _____ (let) me know if you ________ (think) of a good time for everyone to meet. Talk to you soon.
Fill in the blanks with the correct forms of the verbs in brackets. Then discuss what the situations are and whom the information is for.
3c
go
will see
drop
will give
start
will perform
Give
let
think
一、选择题
( )1. If it ______ tomorrow, we will stay at home.
A. rains B. will rain C. rained D. rain
( )2. You ______ pass the exam if you study hard.
A. can B. could C. are able to D. will be able to
( )3. If you ______ to the party, you’ll have a great time.
A. go B. will go C. went D. going
( )4. The teacher ______ angry if you ______ to school late.
A. is; come B. will be; will come C. will be; come D. is; will come
( )5. I ______ you if he ______ back.
A. will tell; comes B. tell; comes C. will tell; will come D. tell; will come
Exercises
A
D
A
C
A
( )6. If she ______ enough time, she ______ finish the work.
A. has; will B. will have; will C. has; has D. will have; has
( )7. We ______ go for a picnic if it ______ cloudy tomorrow.
A. don’t; is B. won’t; is C. aren’t; will be D. didn’t; was
( )8. If you ______ up early, you ______ late.
A. get; aren’t B. will get; won’t be C. get; won’t be D. will get; aren’t
( )9. She ______ happy if you ______ to her birthday party.
A. is; come B. will be; will come C. will be; come D. is; will come
( )10. If I ______ free tomorrow, I ______ to the park.
A. am; go B. will be; will go C. am; will go D. will be; go
Exercises
A
B
C
C
C
二、填空题
1. If it _______________ (not rain) tomorrow, we’ll go hiking.
2. I ____________ (call) you if I get the news.
3. You ____________ (not pass) the test if you don’t work hard.
4. If she __________ (come) here, we’ll have a party.
5. He ____________ (buy) a new bike if he saves enough money.
Exercises
will buy
doesn't rain
will call
won't pass
comes
三、完成句子
1. 如果你明天有空，我们就去看电影。
If you ______ free tomorrow, we ______ ______ to the movies.
2. 如果他不快点，他就会错过火车。
If he _________ ________ ______, he _______ _______ the train.
3. 如果你努力学习，你就能取得好成绩。
If you study hard, you ______ ______ good grades.
4. 如果明天不下雪，我们就去公园。
If it __________ ________ tomorrow, we ________ ______ to the park.
5. 如果她来，我们就会很开心。
If she _________, we ______ ______ very happy.
Exercises
comes will be
are will go
doesn't hurry up will miss
can get
doesn't snow will go
四、良好的习惯是成功的基础，请用本单元的语法知识完成短文，学习如何养成良好的习惯！
Building good daily 1. ________ (habit) is the key to success. Let me share some useful advice with you:
1. ________ you want to keep your body strong, you 3. ________ need to eat balanced meals.
habits
If
will
4. ___ you skip breakfast, you may feel weak in the morning.
Sleep is also necessary. 5. _____ you don’t have a good rest, your brain 6. ________ work well. Try to go to bed before 10 p.m. every night.
If
If
won’t
四、良好的习惯是成功的基础，请用本单元的语法知识完成短文，学习如何养成良好的习惯！
For study skills: 7. ____ you want to remember things better, review your notes after class. Unless you practice writing new words every day, your English 8. _______ improve quickly.
Friendships matter too! 9. _____ you feel sad, talk to someone you trust. Sharing problems helps you feel lighter.
If
won’t
If
四、良好的习惯是成功的基础，请用本单元的语法知识完成短文，学习如何养成良好的习惯！
四、良好的习惯是成功的基础，请用本单元的语法知识完成短文，学习如何养成良好的习惯！
Finally, 10. _____ you spend too much time on video games, you might fall behind in schoolwork. Try to finish homework first!
Remember, small changes today can bring big results tomorrow!
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if
Homework
Summarize the rules and usage of zero and first conditionals.
It will be checked in the next class.

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