初中英语人教新目标 (Go for it) 版八年级上册Unit 10 If you go to the party you’ll have a great time!Section A完整版课件pp
展开1. T master the key wrds and phrases. meeting, half, vide, rganize, rder, ptat chips, chclate, have a great time, rder sth. frm…, ask sb. t d sth., t…t…
2. T learn t talk abut cnsequences
3. T learn t use cnditinal adverbial clause(条件状语从句) and mdal verb “shuld”
Learning bjectives
If Yu Are HappyIf yu're happy and yu knw it clap yur hands If yu're happy and yu knw it clap yur hands If yu're happy and yu knw it and yu really want t shw it If yu're happy and yu knw it clap yur hands If yu're happy and yu knw it stamp yur feet If yu're happy and yu knw it stamp yur feet If yu're happy and yu knw it and yu really want t shw it If yu're happy and yu knw it stamp yur feet If yu're happy and yu knw it shut “Hurray” If yu're happy and yu knw it shut “Hurray” If yu're happy and yu knw it and yu really want t shw it If yu're happy and yu knw it shut “Hurray”
Let's sing and dance tgether!
Enjy a vide and find ut all the if-clauses!
If yu tame me, then we shall need each ther.如果你驯服了我,我们就彼此需要了。
主句含有_____________从句用了_____________
如果你驯服了我,我的生活将会充满阳光。If yu tame me, my life will be filled with sunshine.
主句用了_____________从句用了_____________
一旦你驯服了什么,就要对她永远负责。If yu tame smene, be respnsible fr her frever.
如果你驯服了我,我的生活将会充满阳光。If yu tame me, my life will be filled with sunshine.My life will be filled with sunshine if yu tame me.
If 是连词,意思是如果;假若;倘若通常表示假设,表示将会发生和可能发生的事,或进行提醒警告。
If yu take the bus t the party, yu’ll be late.
If yu stay at hme, yu’ll be srry.
为避免重复,条件状语从句常用助动词d(des/did)来替代上文所提到的动作。
What did yu find ut?
if引导的条件状语从句的结构和用法
一、有些句子可与含if的条件状语从句互相转换。(1)祈使句 + and/r + 陈述句。Hurry up, r yu’ll miss the train. = If yu dn’t hurry up, yu’ll miss the train.Yu will be healthier if yu eat well. = Eat well and yu will be healthier.
(2)借助with或withut。Yu can’t drive the car with the dr pen. = Yu can’t drive the car if the dr is pen.If there is n water, fish will die. = Fish will die withut water.
If yu leave nw, yu are never ging t regret it. (错误)
If yu leave nw, yu will never regret it. (正确)
二、由连词if引导的条件状语从句, 主句不能用be ging t表示将来, 而应该用shall, will。
三. unless(相当于, 除非,如果不), as lng as(只要)也可以引导条件 状语从句。
If it desn't rain tmrrw, we'll g hiking. =We'll g hiking unless it rains tmrrw.
But I think friends are like bks --- yu dn't need a lt f them as lng as they're gd.
如果温度低于零摄氏度, 水就会变成冰。If the temperaturet____ belw zer, water ____ (turn) int ice. =Water ____(turn) int ice if the temperature____belw zer.
四、表示真实条件、客观真理、自然现象、定理定义、 民间谚语等,句型是:If + 句子 (一般现在时 ),+ 主句 ( 一般现在时).(即主现从现)。
必然的结果the result that will certainly happen
if 条件句不一般,几个要点记心间;条件句,放在前,逗号要居中间; 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。
注意:if还可以用于宾语从句中,表示“是否”,= whether,引导宾语从句,时态需根据语境确定。如:I dn't knw if he will cme tmrrw. If he cmes,I will tell yu.我不知道他明天是否会来。如果他来,我就会告诉你。(前一个if表示“是否”,引导宾语从句; 后一个if表示“如果”,引导条件状语从句)
Grammar fcus
Fill in the blanks.
1. If yu exercise mre, yu ______ (be) much healthier.2. If it ______ (rain) tmrrw, they _________ (nt play) sccer afterschl.3. Yu shuld see a dentist if yu _____ (have) a tthache.4. If he _____ (walk) t schl, it ________ (take) him t much time.
5. If yu ________ (nt g) t bed earlier, yu _______ (feel) tired in the mrning.6. If it __________ (nt rain), he ________ (play) basketball with me tmrrw.7. If Uncle Ian ______ (cme), I ________ (call) yu up.8. Please wake me up if he _______ (cme) back.
desn’t rain
Jeff: Hey, Ben. Fr the party next week, shuld we ask peple t bring fd? Ben: N, let’s rder fd frm a restaurant. If we ask peple t bring fd, they’ll just bring ptat chips and chclate because they’ll be t lazy t ck. Jeff: OK. Fr the games, d yu think we shuld give peple sme small gifts if they win?Ben: I think that’s a great idea! If we d that, mre peple will want t play the games.Jeff: Yes, the games will be mre exciting, t.
Listen t the tape and underline the “if-clauses”.
if引导的条件状语从句,主句用一般将来时,从句用一般现在时。口诀:“主将从现”
Read the cnversatin alud and answer the questins.
1.What are Jeff and Ben talking abut?2.What will happen if Ben and Jeff ask peple t bring fd?3.Will they give peple sme gifts if they win the games? Why?
Fd and games fr the party next week.
If they ask peple t bring fd, they’ll just bring ptat chips and chclate because they’ll be t lazy t ck.
Yes, they will.Because if they d that, mre peple will want t play the games.
Rle-play the cnversatin and underline the language pints.
ask sb. t d sth. 要某人去做某事
1.rder sth. frm... 从...订购某物2.rder n.顺序,命令 in rder 按顺序,有条理 in rder t 为了3.rder v. 命令,订购 rder sb. t d sth.
un. a piece f chclate
t+adj./adv.+t d sth. 太...而不能
give sb. sth.=give sth. t sb.
win 赢得(比赛、奖品、游戏)beat 打败某人
Jeff and Ben are rganizing a party. They will ______ fd frm a restaurant fr the party. ______ they ask peple t _______ fd t the party, they _____ just bring ___________ and ________ because they’ll be _____ lazy ____ ck. Fr the party games, they _____ give peple sme small gifts _____ they win. If they d that, mre peple ______ want t play the games and the games ______ be mre ________.
Retell the cnversatin.
Dear Su Mei, I dn’t _______ (knw) what t ______ (d) abut ging t Mike’s birthday party tmrrw night. My parents ______ (think) I shuld study fr my English exam next week. If I _____ (g) t the party, they ______ (be) upset. Mike ______ (tell) us t wear nice clthes, but I dn’t ______(have) any. If I ______ (wear)jeans, I _______ (lk) the wrst. Als, I’m nt sure hw t ______ (g) t the party. If I _______(walk), it ________ (take) me t lng. If I _______ (take) the taxi, it _______(be) t expensive. Can yu give me sme advice please?Tina
Fill in the blanks with the crrect frms f the verbs in brackets.
upset adj.难过;失望;沮丧
advice n.劝告;建议 sme advice一些建议
advice是不可数名词,“一个建议’’:a piece f advice,“两个建议”:tw pieces f advice.
Cmplete the sentences using yur wn ideas.
1. If I get up late tmrrw, ___________________________2. If I dn’t finish my hmewrk, ______________________3. If I dn’t get enugh exercise, _______________________4. I will nt have enugh time t study if ____________________________________________5. I will nt make any friends if _______________________________________
I’ll be late fr schl.
my teacher will be upset.
I’ll becme very heavy.
I play cmputer games after schl every day.
I dn’t g t my friends’ parties.
Write a stry with yur grup n a piece f paper. The first persn begins the stry with “I think I will …” The thers add sentences with “if ”. Pass the paper arund twice. Then read the stry.
A: I think I will g t the mvies tnight. B: If I g t the mvies, I wn’t finish my hmewrk. C: If I dn’t finish my hmewrk …
It is called “Chain Reactin(连锁反应)” r “Butterfly Effect(蝴蝶效应)”.
1.当主句用一般将来时时,if引导的条件状语从句用一般现在时。(即主将从现)
2.如果主句是祈使句,那么从句通常也是一般现在时。 (即主祈从现)
3.如果主句是含有must,can,may 等情态动词时,根据需要从句多用一般现在时。(即主情从现)
4.表示真实条件、客观真理、自然现象、定理定义、 民间谚语等,句型是:If + 句子 (一般现在时 ),+ 主句 ( 一般现在时).(即主现从现)
时态:主将从现,主情从现,主祈从现
1.祈使句+and/r+陈述句
2.with/withut... 表示条件
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1. I think my mther ________ if she _______ free tmrrw. A. will cme; is B. cmes; is C. cmes; will be D. will cme; will be2. If she likes it, she _______ it sn. A. read B. reads C. will read D. reading
3. He will g ut with yu after he _______ his hmewrk. A. finishes B. will finish C. is finishing D. finish
3.解析: 在after 引导的时间状语从句中,主句用一般将来时,从句用一般现在时表示将来;he为第三人称单数,故选A。
4. I will send yu an e-mail as sn as I ______ in Canada. A. arrive B. arrived C. am arriving D. will arrive
4.【解析】本题考查状语从句的时态。当主句是将来时态时,状语从句用一般现在时来表将来,所以选择答案A。
II.用所给词的适当形式填空。
If he _______(cme) t the party, he will have a gd time.We dn’t knw if it ________(rain) tmrrw; if it ________(rain), we ________(nt g) ut.If it’s sunny tmrrw, Mary ___________(visit) the Great Wall.If yu _____(cme) at 4:00 in the afternn, I _______________(begin) t be happy at 3:00.
will/shall begin
1. Hurry up, r yu will nt catch the bus. _______ yu ______ hurry up, yu will nt catch the bus.2. Finish yur hmewrk nw, and yu can watch TV. ______ yu ______ yur hmewrk right nw, yu ______ watch TV.3. The fish may die withut enugh water. _____the fish ______ have enugh water, it ______die.
If dn’t
If finish
If dn’t
1. 如果你想取得好成绩,你必须努力学习。 If yu want t get gd grades, yu must study hard.2. 世上无难事,只要肯登攀。 If yu put yur heart int it, nthing is impssible. 3. If winter cmes, can spring be far behind? 如果冬天来了,春天还会远吗?
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