資源簡介

(共18張PPT)
Unit 8 Let's Communicate!
Section A How do we communicate
Grammar Focus 3a-3c
教學目標
。
1
Lead-in
If you miss the train I’m on,
You will know that I am gone.
從句用一般現在時
if 條件狀語從句
主句用一般將來時
2
Presentation
Read the sentences. Find more sentences with if-clauses in Section A.
3a
Find the similarities(相似性) of these sentences.
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.
if 條件句
if 引導的是從句,剩下部分為主句
客觀事實、真理、習慣性動作；幾乎一定會發生
結構：If+現在時，主句也是現在時（主現從現）
例：If you （mix） red and blue, you （get）purple.
如果混合紅色和藍色，就會得到紫色。
例：If water （freeze）, it （become）ice.
（水結冰時會變成冰。—— 科學事實）
She （get）angry if you （lie）to her.
（如果你對她撒謊，她會生氣。—— 習慣性反應）
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.
mix
get
freezes
becomes
gets
lie
主句：
一般現在時
從句：
一般現在時
zero conditional sentence
零條件句
Pay attention to the tense（時態） in these sentences and find out the rules
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.
first conditional sentence
第一條件句
可能發生
結構：If +現在時，主句將來時（主將從現）
If it (rain) tomorrow, we (stay) at home.
如果明天下雨，我們就待在家里。
If you (study) hard, you (pass) the exam.
（如果你努力學習，就會通過考試。—— 可能的結果）
He (come) if you (invite) him.
（如果你邀請他，他可能會來。—— 用情態動詞表可能性）
rains
will stay
study
will pass
will come
invite
主句
一般現在時
從句
一般將來時
Pay attention to the tense（時態） in these sentences and find out the rules
2
Presentation
Read the sentences. Find more sentences with if-clauses in Section A.
3a
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.
If的條件句
位置 例句
1b, 1c 1. We’ll finish at 7:00 p.m. if it’s on time.
2. If everything goes well, I’ll see you at 7:15.
3. If the traffic is too bad, you’ll have to wait for a few minutes.
4. If I visit China this year, I will go to the park with you.
5. If you can make it, I’ll show you around the city and let you taste all the yummy local food.
6. When will the rehearsal end if it’s on time
7. What will the man do if he visits China this year
If的條件句
位置 例句
1d 1. If you come to my city, I’ll show you around.
2. If I go there, I’ll try all the delicious local food.
2a and 2d 1. If you want to solve the problem, a face-to-face talk usually works the best.
2. If you can’t meet, just call your friend.
3. Some of you may prefer texting, but it takes longer and can make things worse if you’re not careful with your words.
If的條件句
位置 例句
2a and 2d 4. If you stay calm and say sorry, it will help.
5. If it is still hard to talk, take a break.
2e 1. If you can come, I’ll be very happy.
2. If you want to make some new friends, this is a good chance.
3. If you need help, I think you should tell …
4. If you talk to …, I think he / she will be happy to help you.
5. If you go there, you’ll …
6. If you join me, we can …
3
Practice
Match the two parts to make sentences.
3b
1. If we can have a face-to-face meeting, A. try texting.
2. If I have good news, B. I think 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 him by phone, F. will you join me for dinner
/ mi t / n. 會面；會議
right away
立即；馬上
have difficulties in doing
做某事有困難
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
line /la n/ n. 字行；便條；線
drop sb a line 給……寫信
detail / di te l/ n. 細節；詳情
reunion / ri ju ni n/
n. 團聚；重逢；聚會
seriously / s ri sli/
adv. 嚴肅地；認真地
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
start
will perform
Give
let
think
training / tre n /
n.訓練；培訓
4
Production
Rules
1. Use “if” at the beginning of the sentence.
2.Each new sentence must begin with the last sentence.
Sentence Chain: play a game in groups
Summary
New words
meeting; line; detail; reunion; seriously; training
零條件句和第一條件句（ Zero and first conditionals）
Grammar
零條件句
1. 結構：If + 一般現在時，主句 + 一般現在時（或祈使句）。
2. 特點：表達永恒真理、科學事實或反復發生的習慣，結果必然發生。
3. 時態：主從句均用一般現在時，強調 “必然結果”。
Expressions
right away; drop sb a line
Homework
Summarize the rules and usage of zero and first conditionals.
It will be checked in the next class.

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