资源简介

(共23张PPT)
Unit 8
Let’s Communicate!
Section A Grammar Focus~ 3c
Lead-in
Sing together
Presentation
Read the sentences. Find more sentences with if-clauses in Section A.
3a
Translate all the 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.
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 条件句
Presentation
Read the sentences. Find more sentences with if-clauses in Section A.
3a
What are the tenses of the main clause(主句) and the subordinate clause(从句)
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 引导的是从句
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.
一般现在时
一般现在时
带情态动词的一般现在时
一般现在时
一般现在时
一般将来时
一般现在时
一般将来时
一般现在时
一般将来时
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.
Question: Does the meaning of a sentence influence its tense
zero conditional sentence
零条件句
first conditional sentence
第一条件句
零条件句和第一条件句（ Zero and first conditionals）
Zero conditionals 零条件句，指表达客观真理（如科学事实）或习惯性动作的句型。
First conditionals 第一条件句，用于描述将来可能发生的情况。
Presentation
Read the sentences. Find more sentences with if-clauses in Section A.
3a
Take another look at the tenses.
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.
Zero conditionals 零条件句
适用情况：客观真理 / 习惯性动作
1. 结构：
If + 一般现在时，主句 + 一般现在时（或祈使句）。
例：If you mix red and blue, you get purple.
如果混合红色和蓝色，就会得到紫色。
2. 特点：表达永恒真理、科学事实或反复发生的习惯，结果必然发生。
3. 时态：主从句均用一般现在时，强调 “必然结果”。
例：If water freezes, it becomes ice.（水结冰时会变成冰。—— 科学事实）
She gets angry if you lie to her.（如果你对她撒谎，她会生气。—— 习惯性反应）
First conditionals 第一条件句
适用情况：将来可能的情况
1. 结构：
If + 一般现在时，主句 + will + 动词原形（或情态动词 /can/may/should 等）。
例：If it rains tomorrow, we will stay at home.
如果明天下雨，我们就待在家里。
2. 特点：表达 将来可能发生的条件和结果，结果发生的可能性较高。
3. 时态：从句用一般现在时表将来，主句用 “will + 动词原形” 表将来的动作。
例：If you study hard, you will pass the exam.
（如果你努力学习，就会通过考试。—— 可能的结果）
He may come if you invite him.
（如果你邀请他，他可能会来。—— 用情态动词表可能性）
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的条件句
位置 例句
1b, 1c First conditionals 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的条件句
位置 例句
1d First conditionals 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 Zero conditionals 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的条件句
位置 例句
2a and 2d 4. If you stay calm and say sorry, it will help. (First conditionals )
5. If it is still hard to talk, take a break. (Zero conditionals)
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.(Zero conditionals)
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 …
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. 会面；会议
difficulty / d f k lti/
n. 困难；难题
right away
立即；马上
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
line /la n/ n. 字行；便条；线
drop sb a line
给……写信
detail / di te l/ n. 细节；详情
reunion / ri ju ni n/
n. 团聚；重逢；聚会
seriously / s ri sli/
adv. 严肃地；认真地
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
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
training / tre n /
n.训练；培训
Production
Then discuss what the situations are and whom the information is for.
3c
围绕聚会相关的假设交流
... If things go well, we will 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 will give you all the details about the reunion. But promise me you’ll think about it seriously.
邀请参加聚会的对象
situation
whom
Exercise-翻译题
1. 如果明天有会议，我会马上通知你。
If there is a meeting tomorrow, I will inform you right away.
2. 如果你需要帮助，就给我写封信。
If you need help, drop me a line.
3. 如果他认真对待训练，他会进步很快。
If he takes training seriously, he will improve quickly.
4. 如果我们忘记了聚会的细节，就查看邀请函。
If we forget the details of the reunion, check the invitation.
Summary
New words
meeting; line; detail; reunion; seriously; training
零条件句和第一条件句（ Zero and first conditionals）
Grammar
零条件句
1. 结构：If + 一般现在时，主句 + 一般现在时（或祈使句）。
2. 特点：表达永恒真理、科学事实或反复发生的习惯，结果必然发生。
3. 时态：主从句均用一般现在时，强调 “必然结果”。
Expressions
right away; drop sb a line
New words
meeting; line; detail; reunion; seriously; training
零条件句和第一条件句（ Zero and first conditionals）
Grammar
第一条件句
1. 结构：If + 一般现在时，主句 + will + 动词原形（或情态动词 /can/may/should 等）。
2. 特点：表达 将来可能发生的条件和结果，结果发生的可能性较高。
3. 时态：从句用一般现在时表将来，主句用 “will + 动词原形” 表将来的动作。
Expressions
right away; drop sb a line
Summary
Homework
Summarize the rules and usage of zero and first conditionals.
It will be checked in the next class.

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