初中if引导的条件状从.pptx

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,2021/10/3,#,If,引导条件状语从句,GRAMMAR,：,初中if引导条件状从课件,第1页,1/25,e.g.He speaks English,fluently,.,We sleep,at night,at home,.,I come,specially,to see you,.,Ten years ago,She began to live in Dalian.,We should serve people,heart and soul,.,When she was 12 years old,she began to live in Dalian.,句子中表示,地点、时间、原因、目标、结果、,条件、方向、程度、方式和伴随情况等成份,状语普通由,副词,、,介词短语,、,分词和分词短语,、,名词,、,不定式,句子,等来担当。,什么是状语？,初中if引导条件状从课件,第2页,2/25,什么是状语从句？,用一个句子充当状语成份，那个句,子就是状语从句。,I get up,at six,when it is dark.,I get up,at school,where I study.,初中if引导条件状从课件,第3页,3/25,1.,时间状语从句,2.,条件状语从句,3.,比较状语从句,4.,结果状语从句,5.,原因状语从句,6.,目标状语从句,7.,让步状语从句,8.,方式状语从句,9.,地点状语从句,状语从句,初中if引导条件状从课件,第4页,4/25,位置,：,从句可放在主句之前或之后，不过放在主句之前须有逗号隔开,eg:,假如我有足够钱，我就去周游世界,定义：,if,“,假如,假如,”,它引导句子表示某事发生所需条件，即,“,在,条件下，某事才能发生”，在句子中充当状语，称之为条件状语从句。（,If,引导条件状语从句表示,假如有从句动作发生，就会有主句动作发生,）,If I have enough money,I will travel around the world,=,I will travel around the world if I have enough money,If it rains tomorrow,I will stay at home.,一、什么是条件状语从句？,初中if引导条件状从课件,第5页,5/25,If I,get up,late,I,will be,late for school.,If I,dont finish,my homework,I,wont go,to bed.,If you,join,the band(,乐队,),you,will be,famous.,主从句时态？,初中if引导条件状从课件,第6页,6/25,1.If,条件句：,在,if,引导条件状语从句中，假如从句谈论是一个,有可能发生事实,以其产生相关结果，从句用,_,主句用,_.,构成,条件从句,主句,时态,If普通现在时,主语,shall/will,+,动词原形,例句,If he comes,he will take us to the zoo.,利用“主将从现”标准,。,普通现在时态,普通未来时态,初中if引导条件状从课件,第7页,7/25,使用方法：,1.,假如主句是普通未来时，从句则用普通现在时。,If it rains,（从句），,I will stay at home.,Ill go with you if you dont want to go alone,（从句）,.,2.,假如主句含有,must,may,can,等情态动词，从句也要用,普通现在时。,If you drive too fast,you may have an accident.,You must stop if the traffic is red.,If you,finish,the homework,，,you,can go,home,假如你作业做完了就能够回家了。,If you,want,to lose weight you,must/should eat,less bread.,假如你想减肥，你必须少吃面包。,初中if引导条件状从课件,第8页,8/25,3.,假如主句是祈使句，从句一样要用普通现在时。,Don,t go and play football if you don,t finish your homework.,Please call me if he comes next Sunday.,初中if引导条件状从课件,第9页,9/25,练一练,：,1,。假如她早点儿起床，就有时间在家里吃早餐,If she_ _a little earlier,shell have time to eat,breakfast at home.,2,。假如你参加聚会，你将会过得很开心。,If you_ the party,you_ _ a great time.,3,。假如明天下雨，我们将不去野餐,If it _tomorrow,we _ _ for a picnic.,4,。假如你经常听英文歌，你将会喜欢英语,If you often _ _English songs,you_ _English.,gets up,join will have,rains wont go,listen to will like,初中if引导条件状从课件,第10页,10/25,1.If he_(not,do)it,I _(do)it.,2.If you _(be)late for school,my teacher _(be)angry.,are,will be,3.If she_(win)the prize,we _(be),happy.,wins,will be,4.If I _ (not,eat)so much,I _(get)thinner,.,5.If you _(tell)them,they _ (not,believe)you.,dont eat,will get,tell,wont believe,doesnt do,will do,用所给单词正确形式填空：,初中if引导条件状从课件,第11页,11/25,6 I _(stay)at home if it _(rain).,7,.,If it _(not,rain),I _(go)out.,8,.,we _(play)football if it is _(sun).,9.If she _(become)a star,her parents _(be)proud of her.,10.He _(watch)TV if he _(be)free.,will stay,rains,doesnt rain,will go,will play,sunny,becomes,will be,will watch,is,初中if引导条件状从课件,第12页,12/25,2.If,从句（普通现在时）主句（普通现在时）,表示科学常识、事实、经常性动作或倾向 自动会发生事,1.If water,is heated,it,turns,to steam.,2.If people,dont get,enough sleep,their thinking ability,is reduced,.,3.If I,need,a haircut,I,usually,go,to the barbers near where I live.,4.People,often,dont go,out on Sundays if it,rains,.,初中if引导条件状从课件,第13页,13/25,1.as(so)long as.“,只要,，就,”,表示 一个前提条件,Youll succeed,as(so)long as(if only),you try hard.,只要你努力，你就会成功。,拓展：,那么，除了,if,之外，是否还有其它连词能够引导条件状语从句呢,初中if引导条件状从课件,第14页,14/25,2,unless,除非；若不；假如不,；除非在,时候,1.You will fail to arrive there in time,unless,you start earlier,假如你不早点动身，你就不能及时赶到那儿。,2.,Unless,bad weather stops me,，,I go for a walk every morning,除非天气不好，我天天早晨都要去散步。,3.I wont 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。,初中if引导条件状从课件,第15页,15/25,中考真题：,（,安徽,）,1.If the rain _(stop)tonight,we will go to the cinema.,（,黑龙江,）,2.I,ll buy a computer if I _(have)enoug money.,（,内蒙古,）,3.You _(not get)nervous if you _(do)enough exercise.,（,浙江,）,4.If she _(be)kind to me,I _ (not argue)with her.,stops,have,wont get,do,is,wont argue,初中if引导条件状从课件,第16页,16/25,分析试题特点及做题思绪：,1.,考连词,-,做题思绪：,分析句子,-,判断关系,-,选择正确连词：,1.You wont 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,分析试题特点及做题思绪：,初中if引导条件状从课件,第17页,17/25,2.Youmay _ (pass)theexam,if,you_,(study)hard.,2.,考时态,-,做题思绪：,认字,-,判断语境提供时态特点,-,选择正确时态,A.,rain,stay,B.,rains,stay,C.,rains,will stay,D.,rain,will,stay,1.,If,It_(rain)tomorrow,I_(stay),at home,.,A.pass,study B.will pass,study C.pass,will study D.passes,study,初中if引导条件状从课件,第18页,18/25,If Im ill,_.,I will see a doctor,Look and say,If Im late,_.,I will say sorry,条件状语从句在日常生中应用：,初中if引导条件状从课件,第19页,19/25,If Im hungry,I will,_.,If Im,tired,I will,_.,Look and say,eat some food,have a rest,初中if引导条件状从课件,第20页,20/25,If it rains tomorrow,I_.,will watch TV at home,If it _ tomorrow,_.,Ill play basketball,doesnt rain,初中if引导条件状从课件,第21页,21/25,if,条件句不普通,几个关键点记心间,;,条件句,放在前,逗号要放句中间。条件句表可能，主将从现不普通；,条件句表事实，主句惯用现在时。,Summary,（,小结,）,初中if引导条件状从课件,第22页,22/25,If we study harder,we will do well in the exams,Try our best to study harder.,初中if引导条件状从课件,第23页,23/25,Homework,.,Finish the exercises in the workbook.,初中if引导条件状从课件,第24页,24/25,Thanks for listening.,Goodbye.,再见,初中if引导条件状从课件,第25页,25/25,