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(共28张PPT)
Unit 8
Section A
Grammar Focus
理解if条件句“主将从现”的规则，并能区分它在句中的两种位置。
能在填空和情境对话中正确使用if条件句制定计划或提出建议。
能运用if条件句为实际问题设计解决方案，并用创意形式进行展示。
Watch the video Journey to the West and find out if sentences.
Can you say more If sentence
If I oversleep …
I will miss the bus.
If I miss the bus, I will be late for school.
If I am late for school, my teacher will get angry.
If I go to London …
I will see the Big Ben.
If I go to Buckingham Palace,
I can take a photo of the Royal Guard.
If you go to London,
you must look right before crossing a street
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）
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
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.
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
规则整理：用思维导图或表格整理if条件句与宾语从句的区别（位置、时态、逗号）。
基础型作业
班级计划周末郊游，但天气可能变化。请用if从句制定A、B两套方案（晴天/雨天）。
例句：If it is sunny, we will have a picnic in the park.
提升型作业
设计一张电子或手绘海报，以“If you choose... you will...”为框架，展示不同选择带来的不同未来（如学习、友谊、爱好等），并配上插图或二维码语音解说。
挑战型作业
Homework
https://www.21cnjy.com/recruitment/home/fine
Thanks!/ 轻质减负 高效备课 | 英语学科
Unit 8 Let's Communicate! 第3课时学生自主学习单
班级：__________ 姓名：__________ 日期：__________
（一）预备性知识及练习
活动1：If句子发现家
观看《西游记》视频片段或回忆第1-2课时的内容，快速找出并写下2个含有"if"的句子：
_________________________________
_________________________________
这些句子中，if表示的意思是：__________ (选择：A. 如果 B. 是否)
活动2：语法侦探预备站
阅读下面的句子链，观察它们的规律：
If I oversleep, I will miss the bus.
If I miss the bus, I will be late for school.
If I am late for school, my teacher will get angry.
我发现：这些句子都是"如果...就会..."的关系。
从句(if部分)用的时态是：________
主句用的时态是：________
自评星级：我对if句的基本感觉 ☆☆☆☆☆ (圈出你的自评)
（二）基础性知识及练习
任务A：语法规则观察员
活动1：位置大发现
观察下面两组句子，完成填空：
第一组：
______ it rains tomorrow, we will stay at home.
We will stay at home ______ it rains tomorrow.
我发现：if从句可以放在句______，也可以放在句______。
放在句首时，后面要加______；放在句末时，前面______逗号。
活动2：主将从现验证官
根据"主将从现"规则，完成下列句子的动词填空：
If you ______ (exercise) more, you ______ (be) much healthier.
If it ______ (rain) tomorrow, they ______ (not play) soccer.
You ______ (should) see a dentist if you ______ (have) a toothache.
If he ______ (walk) to school, it ______ (take) him too much time.
任务B：句子匹配工程师
活动：逻辑连接站
将左边的If从句与右边的主句正确连线，并用正确形式填空：
If things ______ (go) well → we ______ (see) all those old faces again
If you think you can come → ______ (drop) me a line
I ______ (give) you all the details → if you ______ (think) seriously about it
任务C：语篇填空分析师
活动：团队计划制定者
阅读下面的团队沟通片段，用正确形式填空：
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!
这段话是：______ (谁)写给______ (谁)的？
目的是：__________________________
自评星级：我理解语篇的程度 ☆☆☆☆☆ (圈出你的自评)
（三）拓展性知识及练习
任务D：If句子辨辨辨
活动：语法小法官
判断下列句子中if引导的是条件状语从句(表"如果")还是宾语从句(表"是否")，在括号内打√：
If you don't understand, you can ask the teacher. ( 条件从句 / 宾语从句 )
She asked if you could help her with the project. ( 条件从句 / 宾语从句 )
If it is fine tomorrow, we will have a picnic. ( 条件从句 / 宾语从句 )
Do you know if there is a library near here ( 条件从句 / 宾语从句 )
You will make progress if you keep practicing. ( 条件从句 / 宾语从句 )
区分秘诀：
看位置：条件从句常在句____或句____；宾语从句在动词____
看主句：条件句主句常有______；宾语句主句常有wonder/know/ask等词
看含义：问"______"的是条件句；问"______"的是宾语句
任务E：我的语法整理本
用下面的表格或你自己的方式，整理if条件状语从句和if宾语从句的区别：
对比维度 if条件状语从句 (表"如果") if宾语从句 (表"是否")
含义
位置
时态
标点
例句
任务F：句子工具箱——If条件句应用版
学习这些有用的if句型，为规划任务做准备：
制定计划 (Making Plans)：
If the weather is good, we will...
If we have enough time, we can...
If everyone agrees, let's...
提出建议 (Giving Suggestions)：
If you want to be healthier, you should...
If I were you, I would...
If you have time, why don't you...
表达可能性 (Expressing Possibilities)：
If we start now, we may finish early.
If you practice every day, you might improve.
If it doesn't rain, we could have the party outside.
自评星级：我掌握if句型的程度 ☆☆☆☆☆ (圈出你的自评)
（四）挑战性知识及练习
任务G：周末活动规划师
活动：天气备选方案设计
班级计划周末去郊游，但天气可能变化。请你制定A、B两套方案：
A方案：晴天计划 (If it is sunny)
If it is sunny, we will __________________________
If everyone brings food, we can _______________________
If we finish early, let's __________________________
B方案：雨天计划 (If it rains)
If it rains, we will __________________________
If we can't go outside, we can ______________________
If the rain stops later, we might ______________________
任务H：If人生选择海报设计师
活动：选择与结果展示
以"If you choose... you will..."为框架，设计一个简易海报，展示不同选择带来的不同结果。
我的主题： (选择一个：学习/友谊/健康/爱好)
海报框架：
IF YOU CHOOSE...
选择1: _______________ 结果: _______________
选择2: _______________ 结果: _______________
选择3: _______________ 结果: _______________
我的建议：
If you want to ______, you should ______.
创意加分： 可以为每个选择画一个简单的小图标。
（五）学习目标自测表
完成本课学习后，请评估自己的掌握情况：
学习目标 我能做到吗？ 具体表现/证据
1. 理解if条件状语从句"主将从现"的规则 完全掌握 基本掌握 还需练习 我填对了 ___ 个时态填空题。
2. 辨别if从句在句中的两种位置（句首/句末） 完全掌握 基本掌握 还需练习 我能正确判断 ___ 个句子的if从句位置
3. 区分if条件状语从句和if宾语从句 完全掌握 基本掌握 还需练习 我判断对了 ___ 个句子的if从句类型。
4. 在语篇中理解并正确使用if条件句 完全掌握 基本掌握 还需练习 我完成了 ___ 个语篇填空。
5. 运用if条件句进行简单规划或提出建议 完全掌握 基本掌握 还需练习 我设计了 ___ 套天气备选方案。
本课我的收获：
三个重要的语法点：
__________________________
__________________________
__________________________
最有用的if句型：
If ______________, ______________.
一个重要的发现：
原来，if不仅可以表示"如果"，还可以表示"______"，关键是看它的______和______。
如果...我会...
If I have more time, I will _________________________.
教师评价区：
签字：______________
日期：______________

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