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1、重點(diǎn)詞匯拓展重點(diǎn)詞匯拓展備一備一:must,have to,have got to must表示必須,必要;表示必須,必要;have (got) to用來表示強(qiáng)烈的責(zé)任感和必要性,用來表示強(qiáng)烈的責(zé)任感和必要性,must可以可以與與have (got) to互換,但互換,但must語氣比其更強(qiáng)烈語氣比其更強(qiáng)烈,此外,此外,must和和have (got) to還有以下幾點(diǎn)不同:還有以下幾點(diǎn)不同: must表說話人的主觀看法,而表說話人的主觀看法,而have to往往強(qiáng)調(diào)客觀需要。往往強(qiáng)調(diào)客觀需要。We must work hard to make great progress(主觀主觀) 我們必
2、須努力工作取得更大進(jìn)步。我們必須努力工作取得更大進(jìn)步。 Its getting dark;I have to go home now(客觀客觀) 天黑了,現(xiàn)在我得回家了。天黑了,現(xiàn)在我得回家了。must一般只有現(xiàn)在時(shí),而一般只有現(xiàn)在時(shí),而have to則隨著則隨著have的變化有更多的變化有更多的時(shí)態(tài)。的時(shí)態(tài)。二者的否定意義不同:二者的否定意義不同:dont have to“不必不必”, mustnt “不準(zhǔn),禁止,不可以不準(zhǔn),禁止,不可以”。You mustnt leave now! 你現(xiàn)在不得離開。你現(xiàn)在不得離開。You dont have to leave now 你現(xiàn)在不必要離開。你現(xiàn)
3、在不必要離開。 詢問對方的意愿時(shí)應(yīng)用詢問對方的意愿時(shí)應(yīng)用must。 Must I tell him all about this? 我一定要將一切都告訴他嗎我一定要將一切都告訴他嗎? Must I wash the clothes at once? 我一定要馬上洗衣嗎我一定要馬上洗衣嗎?(5) must (發(fā)生于過去的發(fā)生于過去的) 不巧不巧;偏偏;偏偏Just when I was busyThe neighbor must come and chatter正當(dāng)我忙碌的時(shí)候,鄰居偏偏過來聊天正當(dāng)我忙碌的時(shí)候,鄰居偏偏過來聊天。1) l often see lights in that emp
4、ty houseDo you think I _ report it to the police? (2004陜西陜西) AShould Bmay Cwill Dcan(2) Ill tell Mary about her new job tomorrow You _ her last week (2004福建福建) Aought to tell Bwould have told Cmust tell Dshould have told (3) Children under l2 years of age in that country _ be under adult supervision
5、 when in a public library (2004上海上海) Amust Bmay CCan Dneed ADA1What do you think his idea has _ ? Aagreed on Bbeen based on Cbased on Dagreed with2Not only _ interested in football but _ beginning to show an interest in it Athe teacher himself is;all his students are Bthe teacher himself is;are all
6、his students Cis the teacher himself;are all his students Dis the teacher himself;all his students are3These teenagers dont know much of the world yet;thats why they were so easily _ Ataken in Btaken up Ctaken off Dtaken on4Students should be encouraged to finish theirhomework _ Aof themselves Bof t
7、heir own Cfor their own Don their own點(diǎn)擊高考點(diǎn)擊高考BDAD5 Be careful not to drop the Tang Dynasty vase Yes,we cant be _ Atoo careful Bvery careful Ctoo careless Dcareless enough6When the teacher asked the student why he had not come to class the day beforehe _an excuse Ainvented BCreate Cdiscovered Dsaid7In every years Spring Festivalthe CCTV will hold a great concert to _ the new year Awelcome Bkeep Ccelebrate Dmemorize8We have done as much as we can _ our classroom clean Amake Bto make Cmaking Dbe makingAACB