资源简介

(共19张PPT)
Unit 8 Let’s Communicate!
Section A How do we communicate
(Grammar Focus)
Learning Objectives
In this lesson, you will:
master the structure and usage of if-clauses in conditional sentences.
talk about conditions and results using the if-clauses in different
situations.
Watch and Say
Watch the video and figure out what the two workers are talking about.
They are talking about what will happen if it (doesn’t) snow(s).
If it snows tomorrow, the office will close.
If the office closes, they will stay at home and have a day off.
If it doesn’t snow tomorrow, the office will stay open.
Read the sentences. Find more sentences with if-clauses in Section A.
3a
lf 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.
Grammar Focus
由if引导的条件状语从句和主句构成。if可放于句首也可放于句中。位于句首时，一般要用逗号与主句隔开；位于句中时，其前不必用逗号。
第一关
第三关
第四关
第六关
帮助哪吒通关
If it snows , we will make snowmen .
We will make snowmen if it snows.
从句
从句
如何区分主从句？
第一关
第三关
第二关
第六关
战斗力：0
帮助哪吒通关
判断主从句
1. If you miss the train I'm on, you will know that I am gone.
2. You will succeed if you work hard.
3. If she doesn't finish her homework, she can't watch TV.
4. Don't forget to lock the door if you go out.
从句
从句
从句
从句
第一关
第三关
第六关
主句 ，从句一般现在时
结构1：主将从现
主句
主句
从句
从句
主从句的时态有什么特点？
If you are sad, I will be here.
If you feel lost, I will hold your hand.
一般将来时
第三关
第二关
第五关
帮助哪吒通关
go swimming
go to the zoo
fly kites
If the weather is fine, they will ______.
第一关
第三关
第四关
第二关
第六关
第五关
If you help me, I can finish it on time.
If you get up late, you must hurry up.
主句有 ，从句一般现在时
结构2：主情从现
主从句的结构有什么特点？
情态动词
主句
主句
情态动词
情态动词
第一关
第三关
第六关
practice 1
1. If you up late, you can’t catch the bus.
A. get B. got C. getting D. gets
2. If he to pass the exam, he must be careful.
A. want B. wants C. will want D. wanted
3. She should see a doctor if she_____ a cold.
A. had B. has C. have D. will have
第一关
If you go to London, visit the Science Museum.
If you want to be a writer, read more books.
主句 ,从句一般现在时
结构3：主祈从现
主句
主句
从句
从句
主从句的构成有什么特点？
祈使句（V.原）
Read the sentences. Find more sentences with if-clauses in Section A.
3a
lf 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.
Grammar Focus
第一条件状语从句
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。
Read the sentences. Find more sentences with if-clauses in Section A.
3a
lf 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.
Grammar Focus
零条件状语从句
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。
3b
Match the two parts to make sentences.
1. If we can have a face-to-face meeting,
2. If I have good news,
3. If you need to leave,
4. If you can finish your work early today,
5. If the old man has difficulties in hearing,
6. If you can't reach her by phone,
A. try texting.
B. we'll understand each other better.
C. you can write things down
for him.
D. I'll call you right away.
E. I'll call a taxi for you.
F. will you join me for dinner
B
D
E
F
C
A
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
... 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.
go
will see
drop
will give
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!
start
will perform
Give
let
think
3c
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.
go
will see
drop
will give
It’s a note.
It's probably for an old friend or acquaintance(熟人) .
start
will perform
Give
let
think
It’s a voice message.
It's for team members .

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