人教版八级英语上册十单元IF引导的条状语从句PPT课件.ppt

状语从句 If引导的条件状语从句 2020 2 4 1 什么是状语 HespeaksEnglishverywell Youareverybeautiful 动词 形容词 程度副词 主语 谓语 宾语 状语 2020 2 4 2 用来修饰动词 形容词 副词以及全句的句子成分 叫做状语 用作状语的通常是副词 介词短语 不定式和从句等 2020 2 4 3 状语从句 在复合句中表示的状语可以用来修饰谓语 包括非谓语动词 定语 状语或整个句子 2020 2 4 4 状语从句分类 1时间状语从句 9结果状语从句 6让步状语从句 8方式状语从句 7比较状语从句 2地点状语从句 3原因状语从句 4条件状语从句 5目的状语从句 2020 2 4 5 位置 从句可放在主句之前或之后 但是放在主句之前须有逗号隔开 eg 如果我有足够的钱 我就去环游世界 If引导条件状语从句 定义 If 如果 假如 它引导的句子表示某事发生所需的条件 即 在 条件下 某事才能发生 在句子中充当状语 因此称之为条件状语从句 If引导的条件状语从句表示假如有从句的动作发生 就会有主句动作的发生 IfIhaveenoughmoney Iwilltravelaroundtheworld IwilltravelaroundtheworldifIhaveenoughmoney 2020 2 4 6 If条件句 条件句用于陈述语气 表示假设的情况可能发生 其中if是 如果 的意思 主句一般将来时 从句用一般现在时 2020 2 4 7 1 如果主句是一般将来时 从句则用一般现在时 Ifitrains 从句 Iwillstayathome I llgowithyouifyoudon twanttogoalone 从句 2 如果主句含有must may can等情态动词 从句也要用一般现在时 Ifyoudrivetoofast youmayhaveanaccident Youmuststopifthetrafficisred Ifyoufinishthehomework youcangohome 如果你作业做完了就可以回家了 Ifyouwanttoloseweightyoumust shouldeatlessbread 如果你想减肥 你必须少吃面包 2020 2 4 8 3 如果主句是祈使句 从句同样要用一般现在时 Don tgoandplayfootballifyoudon tfinishyourhomework PleasecallmeifhecomesnextSunday 2020 2 4 9 If引导的条件状语从句的基本用法 10 2020 2 4 11 练一练 1 如果她早点儿起床 就有时间在家里吃早餐Ifshe alittleearlier she llhavetimetoeatbreakfastathome 2 如果你参加聚会 你将会过得很开心 Ifyou theparty you agreattime 3 如果明天下雨 我们将不去野餐Ifit tomorrow we forapicnic 4 如果你经常听英文歌 你将会喜欢英语Ifyouoften Englishsongs you English getsup joinwillhave rainswon tgo listento willlike 2020 2 4 12 1 Ifhe not doit I do it 2 Ifyou be lateforschool myteacher be angry are willbe 3Ifshe win theprize we be happy wins willbe 4 IfI not eat somuch I get thinner 5 Ifyou tell them they not believe you don teat willget tell won tbelieve 6I stay athome Ifit rain 7 Ifit not rain I go out 8 we play football Ifitis sun 9 Ifshe become astar herparents not send heraway 10 He watch TV ifhe be free willstay rains doesn train willgo willplay sunny becomes won tsend willwatch is doesn tdo willdo 2020 2 4 13 1 I msureifhe go totheparty he have agreattime 2 Iftherain stop tonight wewillgotothecinema 3 I llbuyacomputerifI have enoughmoney 4 You notget nervousifyou do enoughexercise 6 Iwanttoknowifhe come tomorrow ifhe come I give themassagetohim goes willhave stops have won tget do comes willcome willgive 2020 2 4 14 I record theCDforyoutomorrow Doessheoften lend moneytoherbrother Thesnake notappear ifyoumakenoise Inthefinalexam I get goodmarks willrecord lend won tappear willget 2020 2 4 15 2 Youmay pass theexamifyou study hard rains willstay pass study 3 Ifyouwanttorecord press theredlight press 1 IfIt rain tomorrow I stay athome Fillintheblanketswiththeproperform 2020 2 4 16 用括号内所给词的正确形式填空 1 Iftherain stop tonight wewillgotothecinema 2 I llbuyacomputerifI have enoughmoney 3 You notget nervousifyou do enoughexercise 4 Ifshe be kindtome I notargue withher 5 Iwanttoknowifhe come tomorrow ifhe come I give themassagetohim stops have won tget do is won targue willcome comes willgive 2020 2 4 17 IfI mill Iwillseeadoctor Lookandsay IfI mlate Iwillsaysorry 2020 2 4 18 IfI mhungry Iwill IfI mtired Iwill Lookandsay eat