Unit10 If you go to the party, you'll have ...Section A Grammar Focus-3c课件 (共29张PPT)

(共29张PPT)
Unit 10
If you go to the party,
you’ll have a great time!
Section A
Grammar focus-3c
能掌握含if条件状语从句的主从复合句的用法。
掌握重点短语及知识点的用法。
Objectives
Review
A: What will you do if you are happy
B: If I’m happy, I will _______.
sing a song
dance
play computer games
Review
A: What will you do if you are happy
B: If I’m happy, I will _______.
watch TV
take a trip
help with housework
It will be rain tomorrow.
用if将下列句子合并成一句话
I will stay at home.
If it is rain tomorrow, I will stay at home.
I will stay at home if it is rain tomorrow.
主
将
从
现
It will be sunny tomorrow.
用if将下列句子合并成一句话
I will go out with my friends.
If it is sunny tomorrow, I will go out with my friends.
I will go out with my friends if it is sunny tomorrow.
Grammar Focus
I think I'll take the bus to the party. If you do, you'll be late.
I think I'll stay at home. If you do, you'll be sorry.
What will happen if they have the party today If they have it today, half the class won't come.
Should we ask people to bring food？ If we ask people to bring food, they'll just bring potato chips and chocolate.
should的用法
should为情态动词，意为“应该，应当”，没有人称和数目的变化，后跟动词原形，用来表示建议、要求、劝告、命令、推断等，否定形式是shouldn’t。
如：
We should learn from each other.
我们应该相互学习。
Where should I meet you tonight
今天晚上我应该在哪见你？
Observe the sentences
If you do, you’ll be late.
If you do, you’ll be sorry.
If they have it today, half the class won’t come.
If we ask people to bring food, they’ll just bring potato chips and chocolate.
从句
主句
Concision
If意为“如果”，表示条件，引导条件状语从
句。
If引导的条件状语从句的时态
若if从句用一般现在时，主句则用一般将来时。也就是所谓的“主将从现”。
if引导的条件状语从句的位置
if引导的条件状语从句既可以放在主句前，也可以放在主语后，若if从句在主句前，用逗号与主句隔开；若if从句在主句后，中间不用任何符号。
If 句型
Grammar
1. if 引导的条件状语从句，表示对未来的一种假设，可位于主句之前或之后。在if 引导的条件状语从句中，若主句用一般将来时，从句要用一般现在时表示将来。
She will come if you invite her.如果你请她，她会来的。
2. 在when, as soon as, after, before 等引导的时间状语从句中，如果主句为一般将来时，从句要用一般现在时表示将来。
I will call you as soon as I reach Canada.我一到加拿大就给你打电话。
if引导的条件状语从句
引导条件状语从句最常用的连词是if,if引导的条件状语从句表示在某种条件下,某事很可能发生。条件是可能存在的,并且主句中某种情况发生的概率也是很高的。
1.if引导的条件状语从句的时态。
( 1 )if从句用一般现在时,主句用一般将来时。例如:
If he runs,he’ll get there in time.如果他用跑的,他就会及时赶到那儿。
( 2 )if从句用一般现在时,主句中用may/might/can。例如:
If it stops snowing,we can go out.如果雪停了,我们就可以出去。
( 3 )if从句用一般现在时,主句中用must/should。例如:
If you want to lose weight,you must eat less bread.如果你想减肥,你必须少吃面包。
( 4 )if从句用一般现在时,主句用一般现在时。例如:
If you heat ice,it turns to water.如果你加热冰,它就会化成水。
( 5 )if从句用现在进行时,主句用一般将来时。 例如:
If you are looking for Peter,you’ll find him upstairs.如果你是在找彼得,你上楼就会找到他。
( 6 )if从句用现在完成时,主句用一般将来时。 例如:
If you have finished dinner,I’ll ask the waiter for the bill.如果你吃完了,我就叫服务生来结账。
2.if 引导的条件状语从句的用法总结。
if 条件句不一般,几个要点记心间;
条件句,放在前,逗号要放句中间。
条件句表可能,主句多用将来时;
条件句表事实,主句常用现在时。
3.if引导的条件状语从句与祈使句的相互转换。
if从句可以转换成“祈使句+and/or+简单句”的结构,其中and表示顺承;or表示转折,意为“否则”。例如:
If you work harder,you’ll get good grades.=Work harder,and you’ll get good grades.如果你努力学习,你就会取得好成绩。
If you don’t hurry up,you’ll miss the train.=Hurry up,or you’ll miss the train.如果你不快点,你就赶不上火车了。
3a
Fill in the blanks with the correct forms of the verbs in brackets.
Dear Su Mei,
I don’t _______ (know) what to ______ (do) about going to Mike’s birthday party tomorrow night. My parents _______ (think) I should study for my English exam next week. If I ______ (go) to the party, they ________(be) upset. Mike ______ (tell) us to wear nice clothes, but I don’t ______(have) any. If I _______ (wear) jeans, I ______ (look) the worst.
know
do
think
go
will be
told
have
wear
will look
Also, I’m not sure how to ______ (go) to the party. If I _______(walk), it ______ (take) me too long. If I _______ (take) the taxi, it _______(be) too expensive. Can you give me some advice please
Tina
go
walk
will take
take
will be
3b
Complete the sentences using your own ideas.
1. If I get up late tomorrow,
.
2. If I don't finish my homework,
.
3. If I don't get enough exercise,
.
4. I will not have enough time to study if
.
5. I will not make any friends if
.
I will be late for class
my teacher will be angry
I will be sick
I go to the party
I do not go to the party
3c
Write a story with your group on a piece of paper. The first person begins the story with “I think I will …” The others add sentences with “if ”. Pass the paper around twice. Then read the story.
I think I will go to the movies tonight. If I go to the movies, I won't finish my homework. If I don't finish my homework…
Language points
1. If I go to the party, they’ll be upset.如果我去参加聚会，他们会难过的。
(1) upset在此是形容词，意为“难过；失望；沮丧”。
I'm always upset when I don't get any mail. 我接不到任何邮件时总是心烦意乱。
(2) 常用短语有：
get upset about 为······而心烦
upset at/about/over 为······而难过/生气
be upset with sb. 对某人感到失望
　 (3)upset用作及物动词时,其后一般接名词、代词作宾语,可用于被动结构。
upset的过去分词为upset，可用作形容词,在句中可作定语或表语,其主语通常指人。
upset的过去式和过去分词均为upset。
upset还可用作名词,意为“翻倒,扰乱,不安,不适”。
　 I couldn't bear the upset.我不能忍受这种扰乱。
He gets stomach upsets.他感到胃不适。
2. Can you give me some advice please 你能给我一些建议吗？
(1) advice意为“劝告；建议”，是不可数名词，不能说an advice,而是a piece of advice。“两个（则）建议”通常说two pieces of advice。
Can you give me some advice 你能给我一些建议吗？
　 (2) 与advice有关的一些短语：
ask advice of 向······征求意见, 请教
on/by sb.'s advice 依某人劝告
follow sb.'s advice 接受某人意见
give advice 劝告, 忠告
take one's advice 采纳某人意见
3.too…to…意为“太…而不能…”.too后接动词原形。
导练：The box is too heavy to carry.
拓展：too…to…可与not…enough to do（不够…而不能）以及so…that…（如此…以至于…）进行同义转换。
导练：He is too young to go to school= He is not old enough to go to school.=He is so young that he can’t go to school.他太小了，不能去上学。
4.advice的用法
1）advice是不可数名词。如：a piece of advice一条建议；two pieces of advice两条建议。
2）advice的常用短语：give advice提出建议或劝告；ask for advice请教或征求意见；follow/ take/ accept advice接受意见或劝告。
根据句意及汉语提示完成句子
1. My parents are upset (难过) because I fail the math test again.
2. If you stay at home, you will be sorry (后悔).
3. My brother often takes a taxi (出租车) to go to school.
4. I will ask my teacher to give me some advice (建议) on how
to improve my English.
Exercises
一、根据句意及所给提示完成句子。
1. If you don't go to school, (teacher，
be angry).
2. If Tim doesn't study hard, (fail
the exam again)．
3. If you go to the park with us, (have
a great time)．
4. If you don't leave now, (catch the last bus)．
5. If you are a movie star, (be famous)．
the teacher will be angry
he will fail the exam again
you will have a great time
you won’t catch the last bus
you will be famous
Exercises
一、用所给词的适当形式填空。
1. If he _____ (go) to the movies, he won’t finish his
work.
2. If I _________ (become) a doctor, I can help
others.
3. If we _______ (have ) time, we will go to the park
tomorrow.
4. If you ______ (shout) at the party, you __________
(have) to leave.
5. If it ____________ (not rain), he _______ (go)
sightseeing.
goes
become
have
shout
will have
doesn’t rain
will go
二、单项填空。
1. She was ____ angry ________ say a word.
A．so；as B．so；that
C．too；to D．very；that
2. —What ____ do you have for Paul
—I think he should study harder than before.
A．news B．advice
C．help D．information
二、单项填空。
1. I think my mother ________ if she _______ free tomorrow.
A. will come; is B. comes; is
C. comes; will be D. will come; will be
2. If she likes it, she _______ it soon.
A. read B. reads
C. will read D. reading
课堂评价
1.如果明天不下雨，学生们将去颐和园。
The students will go to the Summer Palace if it __________ tomorrow.
2.如果他步行去学校，他将迟到。
If he _________ to school, he’ll ______ late.
3.如果她喜欢它，她将会很快阅读它。
If she likes it, she _____________ it soon.
4.如果你在工作日玩电子游戏，你将会疲惫。
If you play computer games on weekdays, you _______tired.
I. 汉译英
doesn’t rain
walks
be
will read
will be
Homework
1. 完成课时作业。
2. 用 if 造十个句子。