第七讲初中英语语法肯定句、否定句-一般疑问句共

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。ForexampleMoreExamplesIlikelisteningtopopmusic.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。ForexampleMoreExamplesIlikelisteningtopopmusic.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.______________supermarkets

inthecity?上页下页首页4.Wemustsendhimtothehospitalatonce._____we__