新概念二Lesson16if条件状语从句PPT课件
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新概念第二册第16课 (共44张PPT)
you go easily. • let it go (at that) • 不再多说或多做；就到此为止；就那样
吧
• let alone 更不必说
• He hasn’t enough money for food, let alone amusements.
• 他连吃饭钱都不够，就更不用说有 钱玩了。
• on my car • 指车的外面 • welcome sb. to +地点 • 欢迎某人来某地
• note
• 1) 便条 • 2）笔记; 注释
• He left a note on my desk.
– 他在我桌上留了张字条。
• take/ make notes of ... • I didn't take any notes. • 3) 音调 （tone） • There is a note of anxiety in her voice. • message 消息
三种条件句(Conditionals)
• 1 Zero conditional
• 用法：表示某事是普遍的真理或事 实
• If I invest my money, it will grow.
• 结构：if 从句（现在时）+ 主句 （将来 时）
• 记忆点：主将从现
• = My money will grow if I invest it.
• Her income was barely enough to maintain one child, let alone three.
• 她的收入养活1个孩子都几乎不够 ，更不用说3个了。
• 其后若接动词，通常与前面相关动词形 式相同。如：
• The baby can’t even sit up yet, let alone walk!
吧
• let alone 更不必说
• He hasn’t enough money for food, let alone amusements.
• 他连吃饭钱都不够，就更不用说有 钱玩了。
• on my car • 指车的外面 • welcome sb. to +地点 • 欢迎某人来某地
• note
• 1) 便条 • 2）笔记; 注释
• He left a note on my desk.
– 他在我桌上留了张字条。
• take/ make notes of ... • I didn't take any notes. • 3) 音调 （tone） • There is a note of anxiety in her voice. • message 消息
三种条件句(Conditionals)
• 1 Zero conditional
• 用法：表示某事是普遍的真理或事 实
• If I invest my money, it will grow.
• 结构：if 从句（现在时）+ 主句 （将来 时）
• 记忆点：主将从现
• = My money will grow if I invest it.
• Her income was barely enough to maintain one child, let alone three.
• 她的收入养活1个孩子都几乎不够 ，更不用说3个了。
• 其后若接动词，通常与前面相关动词形 式相同。如：
• The baby can’t even sit up yet, let alone walk!
新概念英语第二册课件Lesson16(共14张PPT)
• ★fail v. 无视，忘记 fail v.失败 fail＋宾语：失败做某事 fail in doing sth：在某些方面失败 He failed./He failed in examination. fail to do：没有能够在某事 He failed to swim across the river. not fail to do sth.一定能够某事 I can not fail to pass it. You can not fail to drive it.你一定能够驾驶 If you receive a request like this, You can not fail to obey it. If you arrived in Beijing ,you cannot fail to find the New Oriental School.
New words and expressions
★note n. 便条 m• essage：消息 note：纸条，纸钞 make notes：做笔记 ★area n. 地段 area：场地，地段（一块对方） place：地点 region：地区（交战，开火）
In this region, there were a lot of wars. ★sign n. 指示牌 ★reminder n. 提示 remind v.：提示，提醒
Comprehension questions
• 6.Where were you spending a holiday? • In Sweden. • 7.What did you find on your car? • A note. • 8.Did it welcome you ti the city? • Yes, it did. • 9.Were you in a ‘No parking’ area? • Yes, I was. • 10.What did the note ask you to pay attention to? • To the street signs.
New words and expressions
★note n. 便条 m• essage：消息 note：纸条，纸钞 make notes：做笔记 ★area n. 地段 area：场地，地段（一块对方） place：地点 region：地区（交战，开火）
In this region, there were a lot of wars. ★sign n. 指示牌 ★reminder n. 提示 remind v.：提示，提醒
Comprehension questions
• 6.Where were you spending a holiday? • In Sweden. • 7.What did you find on your car? • A note. • 8.Did it welcome you ti the city? • Yes, it did. • 9.Were you in a ‘No parking’ area? • Yes, I was. • 10.What did the note ask you to pay attention to? • To the street signs.
新概念2第16课课件
Don’t touch.
Danger!
No eating or drinking.
Keep off the grass
Be quiet / keep quiet
No entry
No parking
“No smoking”——It means you shouldn’t smoke here. “No littering”——It means you shouldn’t litter things here. “No parking”——It means you shouldn’t park here. “Do not touch”——It means you shouldn’t touch it.
4. If you want ____ (want) to keep the picture, ____ save (save) it on your computer. 5. If it doesn’t ___________ work (not work), ____ wait (wait) a minute and then ___ try (try) again. 6. If you ____ need (need) to send an email, ___ (use) my computer. use
Exercises: change the following sentences into if sentences
1. If she ______(return) from Paris, please ____(call) me. returns call
passes (pass) the test ，we may____ buy 2. If my husband ______ (buy) a car.
Danger!
No eating or drinking.
Keep off the grass
Be quiet / keep quiet
No entry
No parking
“No smoking”——It means you shouldn’t smoke here. “No littering”——It means you shouldn’t litter things here. “No parking”——It means you shouldn’t park here. “Do not touch”——It means you shouldn’t touch it.
4. If you want ____ (want) to keep the picture, ____ save (save) it on your computer. 5. If it doesn’t ___________ work (not work), ____ wait (wait) a minute and then ___ try (try) again. 6. If you ____ need (need) to send an email, ___ (use) my computer. use
Exercises: change the following sentences into if sentences
1. If she ______(return) from Paris, please ____(call) me. returns call
passes (pass) the test ，we may____ buy 2. If my husband ______ (buy) a car.
新概念第二册第16课ppt课件
ticket
• n. 交通违规罚款单 • You will be very lucky if the traffic policeman lets you go without a ticket. • n. 车票;入场券； • ticket price 票价 • train ticket 火车票，路票 • air ticket 飞机票 • lottery ticket 彩票
课文讲解
3、During a holiday in Sweden, I found this note on my car: 'sir, we welcome you to our city. This is a "No Parking" area. You will enjoy your stay here if you pay attention to our street signs. This note is only a reminder.' on my car 指车的外面 welcome sb. to+地点 欢迎某人来某地 enjoy v. 享受
Request Sign Let sb. Go Sweden Welcome sb.to do sth Pay attention to Reminder Note Fail to do sth. Obey
Text
① If you park your car in the wrong place, a traffic policeman will soon find it. ＠＿＠ ② You will be very lucky if he lets you go without a ticket. ③ However, this does not always happen. Traffic police are sometimes very polite.＠＿＠ ④ During a holiday in Sweden, I found this note on my car: 'sir, we welcome you to our city. ＠＿＠ ⑤ This is a "No Parking" area.＠＿＠ ⑥ You will enjoy your stay here if you pay attention to our street signs. This note is only a reminder.＠＿＠ ⑦ If you receive a request like this, you cannot fail to obey it!＠＿＠
新概念二Lesson16课件
Traffic police are sometimes very polite.
Sometimes 有时候（常与一般现在时搭配） some times 几次，几倍 sometime 表示过去或将来的某个时间 some time 一段时间
You will enjoy your stay here if you pay attention to our street signs.
allow & let
allow sb. to do sth. (较为正式） sb. is allowed to do sth. let sb. do sth. （通常不用于被动语态） 1. 我们不允许大家在教室里吸烟。 We don’t allow people to smoke in the classroom. 2. 我会让你用我的字典的。
no parking area
Traffic
★traffic n. 交通 traffic police 交通警察 traffic light 交通灯, 红绿灯 traffic jam 交通堵塞 I spend a lot of time in traffic jam heavy traffic 繁重的交通（交通拥挤） I was ordered to drive in heavy traffic. （in heavy traffic 交通拥挤）
This note is only a reminder.’ If you receive a request like this, you cannot fail to obey it!
条件状语从句
1] if（如果） 引导的条件句主要用来询问或谈论将 来可能的事情,主句中是将来时. 条件状语从句中用现在时代替将来时 即:主将从现。 Eg. If he is out ,I’ll call tomorrow. Eg. If I have time, I’ll be writing to him tomorrow. 2] 有时主句主语可以省略:（祈使句）即：主祈从现 Eg. If you make a mistake , correct it . Eg. If you don’t like the food , don’t eat it .
新概念第二册16课课件_if
When do you get up on weekends?
What 0 this morning ?
If I get up at 10:00, I will be late. If I am late, my teacher will be angry with me. If my teacher is angry with me, I will be sad. If I am sad, I will chat with my best friend.
If you play computer games on weekdays , you’ll be very tired in class your parents will be sad. you won’t get good grades. your eyes will be poor
Group work What will happen if you ……?
structure
If +……, I’ll / you’ll+……
↘
For example :
条件
↙↘
结果
↙
If you study, You’ll be happy. wear jeans to school , be sorry. get up late, be late. eat too much, be fat. play computer games too much, be sorry.
1.If you park your car in the wrong place, … 2. … if he lets you go without a ticket. 3. … if you pay attention to our street signs. 4. If you receive a request like this, …
if 条件状语-课件
Homework . Finish
the exercises in the
workbook.
You may borrow my books as long as you keep it clean. 只要你保持书的清洁，你就可以借……
时候
You will fail to arrive there in time unless you start earlier． 如果你不早点动身，你就不能及时赶到那儿。 Unless bad weather stops me，I go for a walk every morning． 除非天气不好，我每天早晨都要去散步。 I won‘t loan you unless you are in extreme need of money． 若不是你急需用钱，我不会借钱给你的。
1.考连词---做题思路：
分析试题特点及做题思路： 分析试题特点及做题思路：
分析句子--- 判断关系--- 选择正确的连词： 1.You won’t get nervous ___you do enough exercise. A.if, B, unless C, whether 2. _______ you hurry up, you will miss the early bus. A. if, B, unless C, whether
2.考时态---做题思路：
认字-- 判断语境提供的时态特点--选择正确的时态
1.If It______ (rain) tomorrow, I______(stay) at home.
A. rain ,stay B. rains, stay
C. rains, will stay
D. rain ,will stay
新概念第二册第16课课件(共28张PPT)
（in heavy traffic 交通拥挤）
• ★reminder n. 提示（可以指人，也可以指物, • remind v. 提示, 提醒 • remind sb. of sth. 使某人想起某事 • An older photo can remind me of my
childhood. • You remind me of your mother. • remind sb. to do sth. 提醒某人做某事
note [C] 笔记,摘记 make notes=take notes 做笔记
eg. He never forgets to make notes for his speech. 他从不忘记在做演讲前拟好讲稿。
eg. Students are busy taking notes in class. 学生们在课上忙着做笔记。 a note-book 笔记本，记事本
eg. You met the wrong person in the wrong place
at the wrong time.
2、You will be very lucky if he lets you go without a ticket.
let (sb.) go 放开，释放，使自由 eg. The man won’t let me go.
ticket
[C] 票（机票，车票，电影或入场券）
eg. Do you want a single or a return/round ticket? 你想要单程票还是往返票？
I’ve got two tickets for the World Cup Final. 我有两张世界杯决赛的票。 [C] （交通违章）罚款单 get a parking ticket 收到违章停车罚款单 a speeding ticket 超速驾驶罚款单
• ★reminder n. 提示（可以指人，也可以指物, • remind v. 提示, 提醒 • remind sb. of sth. 使某人想起某事 • An older photo can remind me of my
childhood. • You remind me of your mother. • remind sb. to do sth. 提醒某人做某事
note [C] 笔记,摘记 make notes=take notes 做笔记
eg. He never forgets to make notes for his speech. 他从不忘记在做演讲前拟好讲稿。
eg. Students are busy taking notes in class. 学生们在课上忙着做笔记。 a note-book 笔记本，记事本
eg. You met the wrong person in the wrong place
at the wrong time.
2、You will be very lucky if he lets you go without a ticket.
let (sb.) go 放开，释放，使自由 eg. The man won’t let me go.
ticket
[C] 票（机票，车票，电影或入场券）
eg. Do you want a single or a return/round ticket? 你想要单程票还是往返票？
I’ve got two tickets for the World Cup Final. 我有两张世界杯决赛的票。 [C] （交通违章）罚款单 get a parking ticket 收到违章停车罚款单 a speeding ticket 超速驾驶罚款单
新概念二标准课件lesson16
练一练：
1.如果她早点儿起床，就有时间在家里吃早餐 If she____ ____a gets up little earlier, she’ll have time to eat breakfast at home.
2.如果你参加聚会，你将会过得很开心。 If you____ ____ a great time. join the party ,you_____ will have 3.如果明天下雨，我们将不去野餐 rains won‟t gofor a picnic. If it ____tomorrow, we ___ ____ 4.如果你经常听英文歌，你将会喜欢英语 If you often ____ songs, you___ listen___English to will ___ like English.
policeman
traffic police
traffic light 交通灯 traffic accident
Ticket
• 名词 n. • 1. 票,券;车票;入场券 Admission by ticket only. 凭票入场。 • 2. (货物上的)标签 The ticket tells you the price of this dress. 标签告诉你这件衣服的价钱。
• fail v. 失败 他失败了。 He failed. fail in doing sth/sth : 在某些方面失败（过去） 他在考试上失败了。 He failed (in) examination. “in” 可省略 • fail to do : 没有能力够做某事(将来） • 他没有能力游过那条河。 • He failed to swim across the river.
新概念英语第二册Lesson16课件ppt
★fail v.失败；不及格 She failed in the math exam.
1) fail+宾语 失败做某事 2) fail in doing sth. 在某些方面失败 3) fail to do 没有能够做某事
he fail to swim across the river. 4) not fail to do sth 一定能做某事
为深入学习习近平新时代中国特色社 会主义 思想和 党的十 九大精 神,贯彻 全国教 育大会 精神,充 分发挥 中小学 图书室 育人功 能
allow & let
▪ allow sb. to do sth. (较为正式）
sb. is allowed to do sth. ▪ let sb. do sth. （通常不用于被动语态） 1. 我们不允许大家在教室里吸烟。
We don’t allow people to smoke in the classroom. 2. 我会让你用我的字典的。
I will let you use my dictionary.
为深入学习习近平新时代中国特色社 会主义 思想和 党的十 九大精 神,贯彻 全国教 育大会 精神,充 分发挥 中小学 图书室 育人功 能
new words and expressions
☆park v.停放（汽车） stop the car 车在运动中停下来 parking area 停车场 no parking :禁止停车（标志）
☆ traffic n.交通 traffic police 交通警 traffic lights 交通灯 traffic lights=crossing/turning:十字路口 (in) traffic jam 交通堵塞 (in) heave traffic 交通拥挤
1) fail+宾语 失败做某事 2) fail in doing sth. 在某些方面失败 3) fail to do 没有能够做某事
he fail to swim across the river. 4) not fail to do sth 一定能做某事
为深入学习习近平新时代中国特色社 会主义 思想和 党的十 九大精 神,贯彻 全国教 育大会 精神,充 分发挥 中小学 图书室 育人功 能
allow & let
▪ allow sb. to do sth. (较为正式）
sb. is allowed to do sth. ▪ let sb. do sth. （通常不用于被动语态） 1. 我们不允许大家在教室里吸烟。
We don’t allow people to smoke in the classroom. 2. 我会让你用我的字典的。
I will let you use my dictionary.
为深入学习习近平新时代中国特色社 会主义 思想和 党的十 九大精 神,贯彻 全国教 育大会 精神,充 分发挥 中小学 图书室 育人功 能
new words and expressions
☆park v.停放（汽车） stop the car 车在运动中停下来 parking area 停车场 no parking :禁止停车（标志）
☆ traffic n.交通 traffic police 交通警 traffic lights 交通灯 traffic lights=crossing/turning:十字路口 (in) traffic jam 交通堵塞 (in) heave traffic 交通拥挤
if条件状语从句学校课件
时态－－主将从现 主句一般将来时， 从句一般现在时
高级课件
6
Revision
if条件状语从句结构及时态
1. 如果主句是一般将来时，从句则用一般现在时。
If it rains（从句）， I will stay at home. I’ll go with you if you don’t want to go alone（从句）.
listen to teachers carefully.
do homework by yourself.
• If you want to get good marks,
• don’t _c_o_p_y_y_ou_r_h_o_m. ework.
talk in the class
cheat in the 高e级x课a件ms
4.如果你去， 我也去。 If you go,I will go.
5.如果明天下雨，请带雨衣。 raincoat
Please take a raincoat if it rains.高级课件8p Nhomakorabeaactice
If you are free this weekend, what will you do ?
1.-how can I remember my friends’ birthdays? -If_y_o_u__ke_e_p__a_n_o_te__in__yo_u_r__d_ia_r_y_, _yo_u__w_o_n_’_t _fo_r_g_e_t.__ (keep a note in your diary / not forget).
高级课件
19
1. Can you tell me if she can come to the meeting ?
If 引导的条件状语从句(共17张PPT)
思考
I don’t know if he _w_il_l _co_m_e_(come)to our party tonight. If he _c_om__es_(come), I will tell you.
结论: 当if作“__如__果__”_讲时，用“主将从现”； 当if作“__是__否__”讲时，根据句意和时态选择合适的时态。
get tired? 7. Where (_w__il_l_/ do/does) they live if they (will miss/ _m_i_s_s_/ misses) the
bus? 8.If you_(_fe__e_l / will feel) hungry, you (s_h__o_u_l_d / must) eat something.
if条件状语从句的意义：表示在某条件下，某事很可能 发生。
语法规则： 1.条件句,放在前,逗号要放句中间； 2.主将从现
If you don’t stay at home, what will you do ? where will you go?
If you don’t stay at home, I __w_i_l_l _g_o_ shopping.
If hazy weather comes,
we will stay at home. /don't go out. /we should drink more water. ...
If 引导的条件状语从句
Learning objectives（学习目标）:
1.Master the sstrtruucctuturreeaanndduussee of conditional
TIfhahta’szynowt eeantohuegrhc.omes,
Lesson16新概念第二册第16课课件
பைடு நூலகம்
本课课件介绍了新概念英语第二册第16课的背景知识，包括作者介绍、课文背景等。
背景介绍
通过学习本课课件，学习者可以了解更多关于英语语言学习的背景知识，有助于提高学习效果。
背景知识
本课课件重点讲解了课文中的一些重要词汇，包括它们的发音、拼写、意义和用法等。
本课课件还重点讲解了课文中的一些重要短语，帮助学习者更好地理解和运用这些短语。
技巧
04
阅读理解
题目1答案解析：本文主要讨论了如何保持身体健康，包括饮食、运动和睡眠等方面的建议。
05
写作练习
03
要求
内容需真实、生动，能够引起读者共鸣
01
主题
描述一个难忘的经历
02
目的
通过写作练习，提高描述能力和语言表达能力
题目：一次惊险的漂流经历
内容
我曾经参加过一次漂流冒险，那是一次让我难以忘怀的经历。我们乘坐着皮筏，顺着湍急的河流前进，一路上经历了许多惊险的时刻。河流中有许多险峻的礁石和瀑布，我们必须小心翼翼地避开它们。有一次，我们的皮筏几乎被一个大瀑布冲走，所有人都惊恐万分。但是，我们最终成功地避开了危险，顺利到达了目的地。这次漂流经历让我深刻地体会到了生命的脆弱和宝贵，也让我更加珍惜每一个与家人和朋友共度的时光。
03
02
01
多选题和填空题。
题型
关于小镇的历史、建筑、文化和特色的细节问题，以及根据听力材料完成句子。
内容
适中，主要考察学生对听力材料的理解和细节把握能力。
难度
详细的答案解析，包括每个选项的分析和正确答案的理由。
答案
提供听力材料的完整文本，方便学生对照答案解析进行理解。
听力原文
提供一些听力技巧和策略，帮助学生提高听力理解能力。
本课课件介绍了新概念英语第二册第16课的背景知识，包括作者介绍、课文背景等。
背景介绍
通过学习本课课件，学习者可以了解更多关于英语语言学习的背景知识，有助于提高学习效果。
背景知识
本课课件重点讲解了课文中的一些重要词汇，包括它们的发音、拼写、意义和用法等。
本课课件还重点讲解了课文中的一些重要短语，帮助学习者更好地理解和运用这些短语。
技巧
04
阅读理解
题目1答案解析：本文主要讨论了如何保持身体健康，包括饮食、运动和睡眠等方面的建议。
05
写作练习
03
要求
内容需真实、生动，能够引起读者共鸣
01
主题
描述一个难忘的经历
02
目的
通过写作练习，提高描述能力和语言表达能力
题目：一次惊险的漂流经历
内容
我曾经参加过一次漂流冒险，那是一次让我难以忘怀的经历。我们乘坐着皮筏，顺着湍急的河流前进，一路上经历了许多惊险的时刻。河流中有许多险峻的礁石和瀑布，我们必须小心翼翼地避开它们。有一次，我们的皮筏几乎被一个大瀑布冲走，所有人都惊恐万分。但是，我们最终成功地避开了危险，顺利到达了目的地。这次漂流经历让我深刻地体会到了生命的脆弱和宝贵，也让我更加珍惜每一个与家人和朋友共度的时光。
03
02
01
多选题和填空题。
题型
关于小镇的历史、建筑、文化和特色的细节问题，以及根据听力材料完成句子。
内容
适中，主要考察学生对听力材料的理解和细节把握能力。
难度
详细的答案解析，包括每个选项的分析和正确答案的理由。
答案
提供听力材料的完整文本，方便学生对照答案解析进行理解。
听力原文
提供一些听力技巧和策略，帮助学生提高听力理解能力。
if条件状语从句-课件(共31张PPT)
hard-working
get good grades
If she is hard-working,
she will get good grades.
Look and say
sunny this Sunday
go fishing .
If it is sunny this Sunday, I’ll go fishing .
• 读下列例句，试着自己总结if 的用法：
• 1. If you heat metal, it melts. • 如果把金属加热，它就会融化。 • 2.Water turns into ice if you cool it. • 如果你冷却水，它就会变成冰。 • 3.If you stand in the rain, you get wet.
A if; Whether B whether; Whether
C if; That D if ; If
3. Please tell her my telephone number if she _____ (want) to know.
wants
4. Will you come and stay with us for a while if you
“如果”。
If 引导的宾语从句可以用将来时，意思为“是
否”。
如果
Betty will visit the History Museum if it __d_o_e_s_n_’_t_r_ai_n_ (rain) tomorrow.
Ben wants to know if it____w_il_l b_e____ (be) fine tomorrow.
P105 B
• William has five problems • Give him some advice from column A and B
get good grades
If she is hard-working,
she will get good grades.
Look and say
sunny this Sunday
go fishing .
If it is sunny this Sunday, I’ll go fishing .
• 读下列例句，试着自己总结if 的用法：
• 1. If you heat metal, it melts. • 如果把金属加热，它就会融化。 • 2.Water turns into ice if you cool it. • 如果你冷却水，它就会变成冰。 • 3.If you stand in the rain, you get wet.
A if; Whether B whether; Whether
C if; That D if ; If
3. Please tell her my telephone number if she _____ (want) to know.
wants
4. Will you come and stay with us for a while if you
“如果”。
If 引导的宾语从句可以用将来时，意思为“是
否”。
如果
Betty will visit the History Museum if it __d_o_e_s_n_’_t_r_ai_n_ (rain) tomorrow.
Ben wants to know if it____w_il_l b_e____ (be) fine tomorrow.
P105 B
• William has five problems • Give him some advice from column A and B
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句用_一__般_现__在__时___。 “主情从现”
例如：You must stop if the traffic light __is__ (be) red.
If you feel hungry, you should eat something.
If you feel tired, you must have a rest.
3. if 条件状语从句中，主句可以是祈 使句，从句用_一__般__现__在__时___表示将来。
_主__祈__从__现__原则。
例如：Don’ t wait for me if I _a_m___ (be) late.
1. Put up your hands if you __h_a_v_e (have) any questions.
If I am happy, I will smile/sing.
* If you become sad, what will you do? If I become sad, I will cry. *What will happen if you do too much work? If I do too much work, I will get tired.
• She must see a dentist if she has a toothache.
• You can go shopping with your sister if you have time this afternoon.
2. if 条件状语从句中，主句可以是 must，can，may 等情态动词，if从
It is going to rain tomorrow. I will stay at home.
If it _ra_i_n_s_ tomorrow, I __w_il_l_ _s_t_a_y_ at home.
It will be sunny tomorrow.
They will have a trip tomorrow.
If it _i_s__ sunny tomorrow, they _w__il_l_ _h_a_v_e__ a trip.
He won’t study hard.
He will fail in the eபைடு நூலகம்am.
“If he _do_e_s_n’_t study hard. He _w_i_ll __fa_il_ in the exam.”
he,have free time, go to Shanghai ,
If he has free time, he will go to Shanghai.
she, study hard, she, get good grades
2. If it __is__ (be) cold tomorrow, I will wear my sweater.
3. He can go home if he _fi_n_is_h_e_s__ (finish) his homework.
*If you are happy, what will you do?
If I have a lot of money , I will buy a car. If I buy a car , I will travel everywhere. If I travel everywhere, I will be happy. If I am happy, I will be healthy.
If you are ill, you must go to see a doctor.
If you are riding a bike , you must be careful.
• Call me if Tina comes. • Have a good rest if you are tired.
She is going to walk to school.
She will be late.
If she _w_a_lk_s_ to school, she _w__i_l_l b__e_late.
If I have much money, I will buy a big house.
buy lots of delicious food. travel all over the world.
If I get up at 7:00, I will be late.
If I am late, the teacher will be angry with me.
If the teacher is angry with me, I will be sad.
If you get up late, you will be late for school.
if
will
she, call me, I, tell her about it
If she calls me, I will tell her about it.
he ,come, next weekend, I ,tell you If he comes next weekend, I will tell you.
①
②
if 从句
主句
由if引导的从句叫条件状语从句，if意思为“如果”。
含if条件状语从句的主从复合句
1. if 条件状语从句中，主句用一般将来 时，if从句用_一__般__现__在__时__表示将来, 主__将__从__现__原则。
例如：We will go to the park if it _d_o_e_s_n_’t_ __r_a_i_n_ (rain) tomorrow.
not rain , go hiking ,this afternoon
If it doesn’t rain, I will go hiking this afternoon.
it, be sunny, she, fly a kite
If it is sunny, she will fly a kite.
例如：You must stop if the traffic light __is__ (be) red.
If you feel hungry, you should eat something.
If you feel tired, you must have a rest.
3. if 条件状语从句中，主句可以是祈 使句，从句用_一__般__现__在__时___表示将来。
_主__祈__从__现__原则。
例如：Don’ t wait for me if I _a_m___ (be) late.
1. Put up your hands if you __h_a_v_e (have) any questions.
If I am happy, I will smile/sing.
* If you become sad, what will you do? If I become sad, I will cry. *What will happen if you do too much work? If I do too much work, I will get tired.
• She must see a dentist if she has a toothache.
• You can go shopping with your sister if you have time this afternoon.
2. if 条件状语从句中，主句可以是 must，can，may 等情态动词，if从
It is going to rain tomorrow. I will stay at home.
If it _ra_i_n_s_ tomorrow, I __w_il_l_ _s_t_a_y_ at home.
It will be sunny tomorrow.
They will have a trip tomorrow.
If it _i_s__ sunny tomorrow, they _w__il_l_ _h_a_v_e__ a trip.
He won’t study hard.
He will fail in the eபைடு நூலகம்am.
“If he _do_e_s_n’_t study hard. He _w_i_ll __fa_il_ in the exam.”
he,have free time, go to Shanghai ,
If he has free time, he will go to Shanghai.
she, study hard, she, get good grades
2. If it __is__ (be) cold tomorrow, I will wear my sweater.
3. He can go home if he _fi_n_is_h_e_s__ (finish) his homework.
*If you are happy, what will you do?
If I have a lot of money , I will buy a car. If I buy a car , I will travel everywhere. If I travel everywhere, I will be happy. If I am happy, I will be healthy.
If you are ill, you must go to see a doctor.
If you are riding a bike , you must be careful.
• Call me if Tina comes. • Have a good rest if you are tired.
She is going to walk to school.
She will be late.
If she _w_a_lk_s_ to school, she _w__i_l_l b__e_late.
If I have much money, I will buy a big house.
buy lots of delicious food. travel all over the world.
If I get up at 7:00, I will be late.
If I am late, the teacher will be angry with me.
If the teacher is angry with me, I will be sad.
If you get up late, you will be late for school.
if
will
she, call me, I, tell her about it
If she calls me, I will tell her about it.
he ,come, next weekend, I ,tell you If he comes next weekend, I will tell you.
①
②
if 从句
主句
由if引导的从句叫条件状语从句，if意思为“如果”。
含if条件状语从句的主从复合句
1. if 条件状语从句中，主句用一般将来 时，if从句用_一__般__现__在__时__表示将来, 主__将__从__现__原则。
例如：We will go to the park if it _d_o_e_s_n_’t_ __r_a_i_n_ (rain) tomorrow.
not rain , go hiking ,this afternoon
If it doesn’t rain, I will go hiking this afternoon.
it, be sunny, she, fly a kite
If it is sunny, she will fly a kite.