資源簡介

(共20張PPT)
第3課時(shí)
Section A (Grammar Focus 3a-3c)
Unit 8 Let’s Communicate
教學(xué)重難點(diǎn)
01
02
能夠通過表格活動(dòng)，引導(dǎo)學(xué)生掌握if條件句的內(nèi)容；
能夠根據(jù)學(xué)習(xí)目標(biāo)和個(gè)人情況，選擇適合的學(xué)習(xí)策略。
如何引導(dǎo)學(xué)生觀察，培養(yǎng)其獨(dú)立思考和發(fā)散性性思維；
如何引導(dǎo)學(xué)生使用if條件句，加強(qiáng)語法記憶鞏固。
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
零條件句 概念 零條件句是一種用于表達(dá)普遍真理、客觀事實(shí)、習(xí)慣或固定規(guī)則等情況的句子結(jié)構(gòu)
構(gòu)成 由if引導(dǎo)的條件狀語從句和主句構(gòu)成。if引導(dǎo)的條件狀語從句可位于主句之前或之后。位于主句之前時(shí)，一般要用逗號(hào)與主句隔開；如果放在主句之后，其前不必用逗號(hào)
時(shí)態(tài) 從句和主句都用一般現(xiàn)在時(shí)
eg: If you touch fire, you get burned.　
如果你觸碰火，你會(huì)被燒傷。
Plants die if they don't get enough water.　
如果植物得不到足夠的水，就會(huì)死亡。
Grammar Focus
條件狀語從句
第一條件句 概念 第一條件句是一種用于表達(dá)假設(shè)情況及其可能結(jié)果的句子結(jié)構(gòu)，通常用于談?wù)搶砜赡馨l(fā)生的事情
構(gòu)成 由if引導(dǎo)的條件狀語從句和主句構(gòu)成。if引導(dǎo)的條件狀語從句可位于主句之前或之后。位于主句之前時(shí)，一般要用逗號(hào)與主句隔開；如果放在主句之后，其前不必用逗號(hào)
時(shí)態(tài) if引導(dǎo)的條件狀語從句用一般現(xiàn)在時(shí)，主句用一般將來時(shí)，也可以用“情態(tài)動(dòng)詞（如can、may、might、should等）十動(dòng)詞原形”
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,我就不去遠(yuǎn)足。
You can pass the exam if you study hard.　
如果你努力學(xué)習(xí)，你就能通過這次考試。
Grammar Focus
條件狀語從句
【拓展】
　第一條件句通常可與以下句型相互轉(zhuǎn)換：
①祈使句+and/or + 一般將來時(shí)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. 如果你動(dòng)作快，就不會(huì)上課遲到。
②含有介詞 with 或 without 的句子
eg: If there is no water, we can't live.
　 =We can't live without water. 如果沒有水，我們就無法生存。
Grammar Focus
條件狀語從句
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、選擇題
( )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、填空題
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，我們就去看電影。
If you ______ free tomorrow, we ______ ______ to the movies.
2. 如果他不快點(diǎn)，他就會(huì)錯(cuò)過火車。
If he _________ ________ ______, he _______ _______ the train.
3. 如果你努力學(xué)習(xí)，你就能取得好成績。
If you study hard, you ______ ______ good grades.
4. 如果明天不下雪，我們就去公園。
If it __________ ________ tomorrow, we ________ ______ to the park.
5. 如果她來，我們就會(huì)很開心。
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、良好的習(xí)慣是成功的基礎(chǔ)，請(qǐng)用本單元的語法知識(shí)完成短文，學(xué)習(xí)如何養(yǎng)成良好的習(xí)慣！
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、良好的習(xí)慣是成功的基礎(chǔ)，請(qǐng)用本單元的語法知識(shí)完成短文，學(xué)習(xí)如何養(yǎng)成良好的習(xí)慣！
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、良好的習(xí)慣是成功的基礎(chǔ)，請(qǐng)用本單元的語法知識(shí)完成短文，學(xué)習(xí)如何養(yǎng)成良好的習(xí)慣！
四、良好的習(xí)慣是成功的基礎(chǔ)，請(qǐng)用本單元的語法知識(shí)完成短文，學(xué)習(xí)如何養(yǎng)成良好的習(xí)慣！
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!
返回
if
Homework
Summarize the rules and usage of zero and first conditionals.
It will be checked in the next class.

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