9A Unit3 Grammar 2ppt课件.ppt

Unit3Grammar2 不定式 不定式做主语 Toworkhardateverylessonisourduty It sourdutytostudyhardateachlesson 例1 makesmehappytofindthekey A ThatB ItC WhatD Whether 解析 不定式做主语 常用 it 作为形式主语放于句首 常见句型有Itis adj for ofsb todosth 不定式 解析 在purpose dream后常跟不定式 thepurposeisto nottodo句型 故选B 不定式做表语 不定式 解析 有一些动词后可以跟不定式做宾语 agree decide hope prepare learn promise try want plan refuse remember forget 不定式做宾语 Werefusetogotointernetbar Hehopes tocollege A togoB goC goesD going 不定式 不定式做宾补 大多数的动词可接不定式短语做宾补 如 ask tell allow want order warn remind 一些动词接不带to的不定式做宾补 如 let make have see hear notice watch help既可以跟带to不定式又可跟不带to的不定式做宾补 例5 Wedon tallowstudents thebooksout A takingB totakenC takeD totake 解析 不定式 不定式做定语 例3 Youarethethirdone theroom A toenterB enteringC entered 解析 不定式做定语时要后置注意 Ineedapentowritewith 不及物动词要加介词 不定式 不定式作状语 例6 Igotupearlytocatchthebus Heistooyoungtogotoschool Iamhappytomeetyou AdverbialofpurposeAdverbialofresultAdverbialofreason A C B 不定式 解析 动词不定式的否定形式warn tellsb nottodosth not应放在to之前 不定式的否定形式 P50PartA1 A2 Wecanusea wh wordwitha to infinitiveafteraverb SeetheexamplesonP51B whatwhenwhywherewhowhomwhosehow content time reason place people people object belongto ways wh word 1 Shehasn ttoldmewhatIshoulddoandwhatIshouldnotdo Shehasn ttoldme andwhat 2 Haveyoudecidedwhichdressyouwilltake Haveyoudecided dress whattodo nottodo which totake 1 howtosolve2 whattodo3 whentowork4 whentoplay FinishtheexerciseonP51 Checkyouranswers 5 howtoachieve6 whichtodo7 whototalk8 wheretoget Wecanusetheseverbsbeforea wh findoutforgethearknowlearnrememberseetellunderstandwordwitha to infinitive askdecideexplain Millie sdiary Mr Friendisreallykindandhelpful Manystudentsaskhim tosolvetheirproblems Healwaystellsthem todo Moststudentscan tdecidewhen work andwhen play Ialsodonotknowhow achieve abalance Idon tknowwhich do first Iwanttoknow 和谁谈 and 怎样获得帮助 Heofferedmesomeadvice Theyarereally 有价值的 how what towork toplay toachieve todo whototalkto how togethelp valuable 1 IwanttoknowhowIcansolvetheproblem Iwanttoknowhow 2 Ican tdecidewhenIshoulddohomeworkandwhenIcanspendtimeonhobbies Ican tdecide and 3 Pleasetellmewherewewillmeet Pleasetellme 将下列句子变为简单句 tosolvetheproblem whentodohomework whentospendtimeonhobbies wheretomeet 1 Irememberwhattodonext Iremember 2 Iaskedhimwhotoaskforhelp Iaskedhim 3 Theyhaven tdecidedwhotowriteto Theyhaven tdecided 将下列句子变为复合句 whatIshoulddonext whoIcouldaskforhelp whotheywill writeto Statements positive negative 陈述句Questions疑问句Imperatives祈使句Exclamations感叹句 按使用的目的 句子可分为以下几类 QuestionsStatementsExclamationsImperatives 疑问句 祈使句 感叹句 陈述句 1 陈述句 Statements 说明一个事实或陈述一种看法 例如 Lighttravelsfasterthansound 光比声传播速度快 说明事实 Thefilmisnotinterestingatall 这部电影一点也不有趣 说明看法 2 疑问句 Questions 提出问题 有以下四种 一般疑问句 GeneralQuestions Canyoufinishtheworkintime 你能按时完成工作吗 b 特殊疑问句 Wh Questions Wheredoyoulive 你住哪儿 c 选择疑问句 Doyouwantteaorcoffee 你是要茶还是要咖啡 Whichdoyouprefer teaorcoffee d 反意疑问句 Tag Questions Hedoesn tknowher doeshe 他不认识她 对吗 3 祈使句 Imperatives 提出请求 建议或发出命令 例如 Don tbenervous 别紧张 Comehere 到这儿来 4 感叹句 Exclamations 表示说话人惊奇 喜悦 愤怒等情绪 例如 Whatgoodnewsitis 多好的消息啊 Howgoodthenewsis 1 ThecleverboycanspeakEnglishwell 改成一般疑问句 否定句 2 Maxfeltstressedandangryfromtimetotimelastweek 对划线部分提问 按要求改写下列句子 CanthecleverboyspeakEnglishwell ThecleverboycannotspeakEnglishwell HowdidMaxfeelfromtimetotimelastweek 3 Pleaseturnoffthelights 改成否定句 4 Weoftenuseyellowstationerywhenwestudyforexams 改成祈使句 Don tturnoffthelights please Useyellowstationarywhenyoustudyforexams 5 Theroomlooksverycalmandpeaceful 改成感叹句 6 Allofmyclassmateshadawonderfultimelastnight 改成感叹句 Howcalmandpeacefultheroomlooks Whatawonderfultimeallofmyclassmateshadlastnight 1 Whatabeautifultoday 2 WehaveanewEnglishteacherthisterm 3 Ididnotplayforalongtime 4 Doyoulikeplayingfootballorbasketball 5 Youenjoyyourschoollife don tyou 6 Don tfor