六年級(jí)下冊(cè)andor but 連詞復(fù)習(xí)課件

連詞的使用單擊此處添加副標(biāo)題什么是連接詞？你學(xué)過哪些連接詞？連接詞有什么作用？我們學(xué)過的最基礎(chǔ)的連詞有：and,but,orand：和but：但是or：或者它們是被用來(lái)連接單詞或者是句子的。Theanimalislargebuttimid.這個(gè)動(dòng)物非常的大但是很膽小but表示轉(zhuǎn)折連接了large和timidIsthisasheeporagoat?這是一只綿羊還是一只山羊?or連接了asheep,agoatIt’scold,wetandwindytoday.今天又冷，又濕，又有風(fēng)。and就把windy與cold,wet連接了起來(lái)acatanditskittensabuilderandhistoolsadoctorandanurseslowbutsteadysweetorsour?amaleorafemale?Ahorse,azebraoradonkey?Aconjunctionmaylinktwoormorethantwowordsorsentences.連詞可以連接兩個(gè)或兩個(gè)以上的單詞或句子。

before,after,as,when,while,until,sinceTheytellwhensomethinghappens,sotheyarecalledconjunctionsoftime.它們告訴我們事情什么時(shí)候發(fā)生，所以它們被稱為時(shí)間連詞。例如：Marycouldplaythepiano

before

shewassix.瑪麗不到六歲就會(huì)彈鋼琴了。Ialwaysbrushmyteethafter

I’vehadmybreakfast.我總是在吃完早餐后刷牙。after把A句子和B句子連接起來(lái)Lookbothwaysbeforeyoucrossthestreet.Joelistenedtomusicwhilehewasdoinghishomework.MissLeewassmilingasshewalkedintotheclass.WaithereuntilIcomeback.Don’tleaveuntilyou’vefinishedyourwork.Transawanaccidentwhilehewaswalkinghome.Takeallyourbelongingswithyouwhenyouleavetheplane.JoefirstmethiswifewhenhewasstudyinginLondon.TomandJoehavebeenfriendssincechildhood.ExerciseCompletethesesentenceswithand,butoror.1Iaskedforsomebread________butter.2Mr.________Mrs.Chenhavethreechildren.3Maggieisagoodsinger________apoordancer.4WewishyouaMerryChristmas________aHappyNewYear.Exercise-答案：Completethesesentenceswithand,butoror.1Iaskedforsomebread___and_____butter.2Mr.__and______Mrs.Chenhavethreechildren.3Maggieisagoodsinger__but______apoordancer.4WewishyouaMerryChristmas___and_____aHappyNewYear.5Istheirnewbabyaboy________agirl?6Thedictionaryhas1000words________200drawings.7SueistallerthanNat________shorterthanMike.8Areyougoingbytrain________bybus?5Istheirnewbabyaboy____or____agirl?6Thedictionaryhas1000words__and______200drawings.7SamistallerthanNancy____but____shorterthanMike.8Areyougoingbytrain__or______bybus?Exercise:

Choosethecorrectconjunctionsoftimefromtheboxtocompletethesesentences.whenwhileasbeforeaftersinceuntil1Jackalwaysbrusheshisteeth____after____hehaseatenameal.2Itstartedtorain__while______thechildrenwereplayinginthegarden.3Let’sgohome_before_______itgetsdark.4GivethislettertoAnne___when_____youseeher.5ShehasknownJack___since_____hewa