资源简介

(共35张PPT)
Unit 8 Let’s Communicate!
How do we communicate
Section A Grammar Focus
01
02
03
04
06
07
08
Lead in
Presentation
Production
Summary
Exercise
Homework
Language points
Practice
05
掌握 if 引导的条件状语从句的核心规则，包括从句与主句的位置关系和时态规律；能区分 if 引导的条件状语从句与宾语从句的含义、位置及时态差异；理解并掌握 “difficulty、line、seriously” 等核心词汇及 “drop sb. a line、take sth. seriously” 等短语的用法。（学习理解）
能独立完成从句时态填空、句子匹配、句型转换等练习，准确运用 “主将从现” 等规则；能根据 “校园生活”“聚会邀请”“团队训练计划” 等场景，仿写或创编包含 if 条件状语从句的句子及简短语篇；能准确判断句子中 if 从句的类型，清晰阐述判断依据，提升语法应用的精准度。（实践运用）
能将 if 条件状语从句的用法迁移到日常生活场景用英语表达逻辑连贯的条件与结果；通过收集英文歌曲、电影台词中的 if 从句，分析其用法差异，拓宽语言视野；培养理性思考和逻辑表达能力，在跨场景交流中灵活运用语法知识传递意图。（迁移创新）
01
02
03
04
06
07
08
Lead in
Presentation
Production
Summary
Exercise
Homework
Language points
Practice
05
01
Lead in
If you're happy happy happy, clap your hands
lf you're happy happy happy, clap your hands
lf you're happy happy happy, clap your hands clap your hands
lf you're happy happy happy, clap your hands
lf you're angry angry angry, stomp your feet
lf you're angry angry angry, stomp your feet
lf you're angry angry angry, stomp your feet stomp your feet
lf you're angry angry angry, stomp your feet
lf you're scared scared scared, say oh no
lf you're scared scared scared, say oh no
lf you're scared scared scared, say oh no say oh no
lf you're scared scared scared, say oh no
lf you're sleepy sleepy sleepy, take a nap
lf you're sleepy sleepy sleepy, take a nap
lf you're sleepy sleepy sleepy, take a nap take a nap
lf you're sleepy sleepy sleepy, take a nap
Let’s sing and dance together!
If You Are Happy
02
Presentation
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
观察你画出的if 从句，它们在句子中的位置一样吗？
一类是 if 从句在句首的（此时从句后加逗号）
一类是 if 从句在句末的（此时从句前可不加逗号）
If you study hard, you will pass the exam.
=You will pass the exam if you study hard.
If you stay calm and say sorry, it will help.
= It will help if you stay calm and say sorry.
If you study English hard, you’ll do better in English.
=You’ll do better in English if you study English hard.
Exercise
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 从句
主句
主句和从句时态有什么规律
主将从现
一般现在时
情态动词
描述 “条件”
描述 “结果”
一般现在时
一般现在时
一般现在时
一般现在时
一般将来时
一般将来时
一般将来时
一般现在时
Grammar focus
特殊情况：主句表达 客观事实、习惯性结论
类型 例句 从句时态 主句时态
基础结构 If you stay calm, it will help.
特殊情况 1 If you need help, call me.
特殊情况 2 If you finish early, you can go home.
特殊情况 3（客观结论） If you mix red and blue, you get purple.
一般现在时
一般现在时
一般现在时
will + 动原
祈使句（动词原形)
情态动词（can/may 等）
Summary
if条件状语从句
一般现在时
一般现在时
1. If you exercise more, you (be) much healthier.
2. If it (rain) tomorrow, they (not play) soccer after school.
3. You should see a dentist if you (have) a toothache.
4. lf he (walk) to school, it (take) him too much time.
5. lf you (not go) to bed earlier, you (feel) tired in the morning.
6. lf it (not rain), he (play) basketball with me tomorrow.
Exercise
will be
rains
won't play
have
walks
will take
don't go
will feel
doesn’t rain
will play
Fill in the blanks.
If it rains, we will cancel the picnic.
You can join us if you finish your homework.
I wonder if he will come to the party.
Could you tell me if the shop is open today
if宾语从句（表是否）
if条件状语从句（表如果）
这两组句子里的if，含义一样吗
从句的位置，主句时态有什么不同？
if引导的宾语从句 if 引导的条件状语从句
例句
含义
位置
时态
是否
如果
主句现在，从句随便
主句过去，从句随变
“主将从现”
I wonder if it will rain tomorrow.
I wondered if he was free.
If it rains, I will stay at home.
I will stay at home if it rains.
易混淆点对比（if 宾语从句 vs if条件状语从句）
句首（加逗号）/ 句末
主句后（不加逗号）
If you don’t understand, you can ask the teacher. （ ）
She asked if you could help her with the project. （ ）
If it is fine tomorrow, we will have a picnic. （ ）
Do you know if there is a library near here （ ）
You will make progress if you keep practicing. （ ）
请判断下列句子中if引导的是条件状语从句还是宾语从句，将答案填在括号内。
条件状语从句
条件状语从句
条件状语从句
宾语从句
宾语从句
03
Practice
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 .
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
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
drop me a line
给我写封短信
... 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
An invitation to a reunion party.
Old friends who haven't seen each other for a long time.
Discuss what the situations are and whom the information is for.
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
a team training plan for the new season
Teammates in the sports team.
Discuss what the situations are and whom the information is for.
04
Production
Next Saturday is your birthday! You want to invite your best friend Lily to your party. Write a note to her—tell her the time, and explain what to do if she can come, and how to contact you if she can’t.
任务要求
字数：50-80 词
必含：2 个以上 if 条件状语从句（分别对应 “能来” 和 “不能来”）
格式：留言条格式（开头写朋友名，结尾写自己名字和日期）
开头邀请：
能来的准备：
不能来的沟通：
结尾期待：
Hi! Lily, I’m writing to invite you to my birthday party. It will be on …
If you can join us, could you …. That will help me get ready better.
If you can’t make it, please …., no need to worry, just let me know!”
I really hope to see you there! If you have any questions, call me at …
句型模板
Hi Lily!
I’m so excited to invite you to my birthday party. It will be at 6 p.m. next Saturday at my home. If you can come, tell me if you like chocolate cake—I’ll ask my mom to make it! Also, you can bring your little sister if she wants to join. If you can’t come, just send me a WeChat message before Friday. I totally understand if you’re busy. I really hope we can celebrate together! Call me if you have questions.
Yours,
Lisa
05
Summary
if-clause
if…
will…
if sb do sth,
sb will do sth
If sb do sth, sb. will do sth.
Sb will do sth if sb do sth.
Summary
06
Language points
1. difficulty n. 困难；难题（教材P75）
当表示具体意义的难处、难事时，是可数名词，其复数形式是difficulties；当表示抽象意义的困难时，是不可数名词，
常用于短语have （no）difficulty （in）doing sth.“做某事（没）有困难”。
difficulty 的形容词形式是difficult，意为“困难的”。
I have difficulty in solving that problem by myself.
我独自解决那个问题有困难。
difficulty n. 困难；难题
2. line n. 字行；便条；线（教材P75）
line n. 意为“字行；便条；线”。draw a line画一条线，drop sb. a line给某人写信。
line 作名词还可意为“行列；队伍”。
常用搭配
stand/wait in line 站队/ 排队等候
cut in line 插队
line 还可意为“电话线路”。
常用搭配
hold the line 别挂断电话
on the line 通话中
3. seriously adv. 严肃地；认真地（教材P75）
seriously 是副词，意为“严肃地；认真地”，在句中修饰动词作状语。
常用短语
take sth. seriously 认真对待某事
她认真对待自己的学业，总是获得好成绩。
She __________ her studies ________ and always gets good grades.
takes seriously
Exercise
07
Exercise
一. 翻译下列句子。
1.如果你不赶快走, 你就会迟到。
2.如果你爱你的父母, 你应当帮他们做做家务。
3. 如果你更友善一些, 你会交上很多好朋友。
If you don’t go soon, you’ll be late.
You should help do the housework if you love your parents.
You will make lots of friends if you are more friendly.
4. 如果你带外校的朋友来, 老师会让他们离开。
If you bring friends from other schools, the teacher will ask them to leave.
If he ______ (come) tomorrow, I ______ (tell) him the news.
I wonder if he ______ (like) the gift I bought.
He asked if you ______ (finish) your homework yet.
If you ______ (be) late again, the teacher ______ (be) angry.
Can you tell me if the train ______ (leave) at 3:00 p.m.
二、根据括号内提示，用正确的时态填空
likes
comes
had finished
leaves
are
will be
will tell
08
Homework
Homework
Need to do:用 if 条件状语从句写 5 个关于 “校园生活” 的句子，涵盖不同位置和时态
Choose to do:查找英文歌曲或电影台词中的 if 从句，抄写 3 句并分析类型和时态。

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