07小学英语语法肯定句、否定句、疑问句

肯定句、否定句和一般疑问句下页Havealook•Iamateacher.Ilikeapples.•Iamnotateacher.Idon’tlikeapples.•Isthisyourhandbag?Yes,itis.No,itisnot.Doyoulikeapples?Yes,Ido.No,Idonot.Conclusion•陈述句：用于说明一个事实或表达说话人的看法或观点的句子。•陈述句分为肯定句和否定句。•肯定句表示肯定的意义；Iamateacher.Ilikeapples.上页下页首页否定句表示否定意义，句中有否定词not,never等，表示“不”的意思。Iamnotateacher.Idon’tlikeapples.•结构为：•肯定句：主语+be动词/助动词do,will和have/情态动词+其他•否定句：主语+be动词/助动词do,will和have/情态动词+not+其他肯定句和否定句之间的转换上页下页首页•1.如果肯定句中有be动词（am,is,are,was,were）、助动词will和have,或情态动词（can,could,must等），只需在be动词、助动词will，do和have或情态动词之后加not即可得到相应的否定句。Forexample肯定句和否定句之间的转换•Myfatherisataxidriver.•Therearesomeapplesonthetable.•Shewasastudenttwoyearsago.首页上页下页1.Hecanplayfootballverywell.2.MarywillcometoChinanextweek.3.Ihavefinishedmyhomework.上页下页首页•2.如果句子中没有be动词、助动词will和have或情态动词，则需要借助助动词do,does或did，并将not放在它们后面，并将句中实义动词变为原形。•◆注意：do,does,did后面必须使用动词原形。ForexampleMoreExamples•Ilikelisteningtopopmusic.•Hegoestoworkeverymorning.•Lindadrovetoschoollastnight.首页上页下页一般疑问句的基本结构：be动词/助动词/情态动词+主语+谓语/表语+其他？Yes,主语+be动词/助动词/情态动词No,主语+be动词/助动词/情态动词+not肯定句和一般疑问句之间的转换上页下页首页•1.如果肯定句中有be动词（am,is,are,was,were）、助动词will和have,或情态动词（can,could,must,等），只需将be动词、助动词或情态动词提前至句首，其余内容照抄下来，改末尾句号为问号即可。Forexample肯定句和一般疑问句之间的转换•Myfatherisataxidriver.•ShecanplayChinesechessverywell.•MarywillcometoChinanextweek.•Therearesomeapplesonthetable.首页上页下页上页下页首页•2.如果句子中没有助动词be动词、助动词will和have或情态动词，则需要借助助动词do,does或did，将它们放在句首，并将句中实义动词变为原形。ForexampleMoreExamples•Ilikelisteningtopopmusic.•Hegoestoworkeverymorning.•Lindadrovetoschoollastnight.•◆注意：do,does,did后面必须使用动词原形。首页上页下页•将下列句子变为否定句1.Thedogisbiggerthanthecat.2.MyEnglishteacherspeaksEnglishveryfast.3.Hecaneatthreehamburgersatatime.上页下页首页•4.Susiefoundsomemoneyonherwaytoschool.•5.Myfatherisveryhard-working.上页下页首页•6.Grandpatellsstoriestouseveryevening.•7.Theyweretalkingloudlyat10:00p.m.yesterday.•8.Icandomyhomeworkfast.•9.Heatetoomuchattheparty.上页下页首页•10.Hedoesn’tliveinLondonwithhisuncle.11.Thereissomewaterinthecup.•12.Ireadbookseveryday.•13.Petergoestothezooonceayear.•.首页上页下页•将下列句子变成一般疑问句•1.HetookmanyphotosinfrontoftheSummerPalace.____he____manyphotosinfrontoftheSummerPalace?•2.TheEarthmovesaroundtheSun.____theEarth____aroundtheSun?3.Therearemanysupermarketsinthecity.______________supermarketsinthecity?上页下页首页4.Wemustsendhimtothehospitalatonce._____we_____himtothehospitalatonce?•5.Tomusuallygetsupat11:00a.m.onSundays.6.Iwrotealettertomyunclethedaybeforeyesterday.上页下页首页