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1、連詞and,butandorConjunctionsand,butandor祈使句,無(wú)主語(yǔ),動(dòng)詞原形就可以表示請(qǐng)求或命令,Let’s,please表客氣如果變成否定句,Don’t加動(dòng)原是規(guī)律祈使句:祈使句表示請(qǐng)求或命令。祈使句無(wú)主語(yǔ),謂語(yǔ)動(dòng)詞沒有時(shí)態(tài)和數(shù)的變化。祈使句,動(dòng)原.Please+動(dòng)原.否定:Don’t+動(dòng)原.Let’s+動(dòng)原.否定:Let’snot+動(dòng)原.and的用法:YouandIaregoingthere.Ilikebananasandpears.Shecansingandswim.Heist
2、allandcool.and的意思是__________,表示_____關(guān)系,可以連接并列的單詞,短語(yǔ)和分句。當(dāng)有多個(gè)并列的單詞或短語(yǔ)時(shí),and要放在最后兩個(gè)之間。如果兩個(gè)分句的主語(yǔ)相同,則第二個(gè)分句的主語(yǔ)可以省略?!昂?,并且”并列Let’spractice:將下列各句用and連接起來(lái):1,Iampretty.Iamslim.____________________________2,Sheisgoodatmath.SheisgoodatEnglish.___________________________
3、____________3,Bobcanplaysoccer.Hecanplaybaseball,too.________________________________________SheisgoodatmathandEnglish.Iamprettyandslim.Bobcanplaysoccerandbaseball.or的用法:Doyouwanttogoorstay?Doyoulikebananasorpears?Shecan’tsingorswim.Ishetallorshort?or的意思是_
4、_________,表示_____關(guān)系,如果兩個(gè)分句的主語(yǔ)相同,則第二個(gè)分句的主語(yǔ)可以省略。用于否定句或疑問(wèn)句中連接并列成分,不用___________.“或,還是”選擇andLet’spractice:改錯(cuò):1,Iamprettyorslim.____________________________2,Sheisn’tgoodatmathandEnglish._______________________________________3,CanBobplaysoccerandbaseball?_____
5、___________________________________Sheisn’tgoodatmathorEnglish.Iamprettyandslim.CanBobplaysoccerorbaseball.?but的用法:Iamshortbutslim.Shelikesbananas,butshedoesn’tlikepears.Shecansing,butshecan’tswim.but的意思是________,表示______關(guān)系,連接兩個(gè)含義相對(duì)或相反的單詞,短語(yǔ)或分句。如果兩個(gè)分句的主語(yǔ)相同
6、,則第二個(gè)分句的主語(yǔ)可以省略。“但是”轉(zhuǎn)折Let’spractice:()1Myauntdoesn’tlikecats___dogs.A.butB.orC.andD.not()2Mary___Lucytoldhimtocometoseeus.A.orB.andC.withD.nor()3Hurryup,____we'llbelateforthefilm.A.andB.butC.soD.or()4Bequick,____we'llbelate.A.andB.orC.butD.so()5Wera
7、ntothetrees,___wecouldn'tseeanybirds.A.butB.soC.andD.forBBDBA用and,but和or完成句子Wearehappyboys_____girls.Helikessoccer,_____hedidn’tplayitwell.It’ssunny______cold.Theydon’thavemeat_____fishathome.Hestayedathome.HewatchedTV.(合并)andbutHestayedathomeandwatchedTV
8、.butorSummary連詞口訣連詞and,but還有or,前后一致用and,前后轉(zhuǎn)折用but,選擇疑問(wèn)要用or,否定疑問(wèn),and要變or。Homework