Unit7Grammar课件牛津深圳版英语七年级下册

Module4ColourfullifeUnit7PoemsGrammarPresentationImperativesentences（祈使句）含义：

表示请求、命令、建议、劝告和号召等结构：肯定形式：以动词原形开头否定形式：以

don’t+动词原形开头Presentationeg.Givemeanotherchance.

再给我一次机会吧。（表请求）

Don’tforgettoturnoffthelightsbeforeyouleavethelab.

离开实验室前别忘关灯。（表命令）

Don’tbenervous.

别紧张。(表建议)★除了以上语法规则之外，一般还在以下两种情况下用祈使句。1.紧急状况。e.g.Agirlfellintothelake.Help!Help!一个女孩掉进湖里了。救命啊！救命啊！2.欢呼喝彩。e.g.Comeon,Peter!Makeanothergoal!加油，彼得！再进一个球！a.祈使句是一种具有较强交际功能的句型。为了缓和语气，使表达更礼貌、更委婉，常在句首或句末加上please。e.g.Pleasecallmewhenyougethome.到家后请给我打电话。e.g.Gothisway,please.请走这边。b.祈使句的强调句型为Do+动词原形+其他部分。e.g.DohelpmewiththisMathsquestion,please.请务必帮我解答这道数学题。PresentationWeneedtoaddbebeforeadjectiveswhenweusethemasimperatives.Bequiet,girls.Don’tbelateagain.·Weusethebaseformofaverbina(positive/negative)imperative.·Ina(positive/negative)imperative,weusedon’tbeforethebaseformoftheverb.Workouttherule√√ActivityChoosethecorrectanswers:1.______playwithfire._______withfireisdangerous.A.Don't;Playing B.Not;PlayingC.Don't;Play D.Notto;Toplay2.Lifeislikeajourney.__________ahead,andyouwillseealotmorebeautifulsceneries(风景)．

Let'sdoLookatthepicture.Whatwilltheteachersay?Makesentenceswiththewordsfromtheboxonpage95.SomeofthemmustbeginwithDon’t.Let'sdo1.Billiseatinginclass.2.Roseleftthedooropenonawindyday.3.Janeisansweringaquestioninalowvoice.bringcloseeatsleepspeaklouderturntoClosethedoor,Rose.Speaklouder,Jane.Don’teatinclass,Bill.Let'sdo4.Jamesissleepingathisdesk.5.Stevenislookingatpage47.Heshouldlookatpage74.6.Marybroughtherpetmousetoschool.bringcloseeatsleepspeaklouderturntoDon’tsleepinclass,James.Turntopage74,Steven.Don’tbringpetstoschool,Mary.Leadin1.Mydadisaboringman.

Whataboringmanmydadis!2.It’sveryhot.

Howhotitis!3.He’sapatientman.

Whatapatientmanheis!Howpatientheis!PresentationExclamatorysentences（感叹句）含义：

用来表示说话时的喜悦、惊讶等情感的句子。引导词：

what、howPresentation结构：1.由“what”引导的感叹句：what作定语，修饰名词。（1）What+a/an+形容词+单数名词+主语+谓语！eg.Whatakindgirlsheis!

她是一个多么善良的姑娘呀！Presentation（2）What+形容词+复数名词/不可数名词+主语+谓语！eg.Whatgoodteacherstheyare!

他们是多么好的老师呀！

Whatdelicioussoupitis!

多么美味的汤呀！Presentation2.由“how”引导的感叹句：

how作状语，修饰形容词或副词。（1）How+形容词+主语+谓语！eg.Hownicetheclothesare!

多么漂亮的衣服呀！Presentation（2）How+副词+主语+谓语！eg.Howwellshesings!

她唱歌唱得多好呀！（3）How+主语+谓语！eg.Howtimeflies!

时间过得真快啊！二、感叹句感叹句要用降调，句末要用感叹号。PresentationSometimesweusesentenceswithemphasisandstrongfeelings.Thesesentencesarecalledexclamations.What+(a/an)+adjective+noun+subject+verb+!How+adjective/adverb+subject+verb+!PresentationWhataninterestingpoemitis!Whatbeautifulflowerstheyare!Whatbadweatheritis!Howluckyweare!Howquicklythetimepassed!Howbrightthestarsare!PresentationWecanuseawordorphraseasanexclamation,suchasOhno!orLovely!Wecanalsouseawordorphrasewithwhatorhowtoshowstrongfeelings.Whataninterestingpoem!Whatbeautifulflowers!Whatbadweather!Howlucky!Howfast!Howbright!Presentation·Weoftenbeginanexclamationwiththeword________or________.·Weoftenuse“________”attheendofanexclamation.WorkouttheruleWhatHow!Activity1._________

beautifultheseflowersare!2._________kindteacherheis!3._________happyboystheyare!4._________interestingfilmwewillsee!5._________thetimeflies!HowWhataWhatWhatanHowFillintheblanksusingwhat,whata,whatanorhow:II.用How或What（a/an）填空，完成感叹句。6.________difficulthomeworkwehadyesterday!7.________smartdogitis!8.________badtheweatherinEnglandis!9.________excellentboyRichardis！10._______happilythestudentsareplayingbasketballintheplayground!11._______wellshedances!12._______interestingstorybookyouhave!13._______deliciousthedishis！WhatWhataHowWhatanHowHowWhatanHowI.根据句意，用what,how或whata(n)填空。1._________prettysingerLindais!2._________niceweatheritis!3._________tallthebuildingis!4._________wellshewrites!5._________beautifulplaceitis!6._________interestingstoryitis!7._________hardworkitis!8._________smartboyTomis!9._________festthedogisrunning!10._________slowlyitmoved!

第四课时WhataWhatHow How WhataWhatanWhatWhataHow How Let'sdoRewritethesentencesbelowusingexclamationswithwhatorhow.1.Youarewearinganoldshirt._________________________________2.Theboysareveryexcited._________________________________Whatanoldshirtyouarewearing!Howexcitedtheboysare!Let'sdo3.Theyarefriendlypeople._________________________________4.Shestudiesveryhard._________________________________Whatfriendlypeopletheyare!Howhardshestudies!Let'sdoOhno!Howwonderful!Whatalovelybaby!Howwonderful!LisaandBobaretalkingabouttheirfriends.Completetheirconversationwiththeexclamationsfromthebox.Let'sdoOhno!Howwonderful!Whatalovelybaby!Lisa:Yes.ButJeffhurthislegwhenheplayedbasketball.Bob:_________________Howishefeelingnow?Lisa:He’sfeelingbetter.Bytheway,ourMathsteacherhadababylastmonth.Look,here’sapicture.Bob:Wow!____________________Ohno!Whatalovelybaby!GroupworkLookandguesswhatthekidswillsay(usingexclamatorysentences):Imperativesentences（祈使句）含义：结构：肯定形式：以动词原形开头否定形式：以don’t+动词原形开头SummaryExclamatorysentences（感叹句）含义：引导词：what、how结构：（1）What+a/an+形容词+单数名词+主语+谓语！（2）What+形容词+复数名词/不可数名词+主语+谓语！（3）How+形容词+主语+谓语！（4）How+副词+主语+谓语！（5）How+主语+谓语！SummaryExerciseChoosethecorrectanswers:1.——DidyouwatchtheTVshowRunningManlastnight? ——Yes,Idid.________interestingitwas!A.How B.What C.Whata 2.______usefuldictionaryforbeginnersofEnglish!Wheredidyougetit?A.How B.Whata C.Whatan

Exercise3.______deliciousfoodmymothercookseveryday!A.WhataB.WhatC.How4.______toturnoffallthelightswhenyougoout.A.