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+動詞原形”與“be to+動詞原形”的區(qū)別兩者均可表示按計劃或安排要發(fā)生的動作,有時可互換(但be to比be going to正式):Where are we going to stay tonight?你不可以穿那條裙子去上學(xué)。不管她喜歡不喜歡,她都得吃那藥。③Things are going to get better soon.但是當(dāng)要表示主觀無法控制的預(yù)測時,通常要用be going to,不能用現(xiàn)在進(jìn)行時態(tài):It’s going to snow before long.我6點鐘來接你,不要忘了。(主觀想法)I’m picking you up at 6。比較:I’m going to wash the car if I have time.(2)“be going to+動詞原形”與“現(xiàn)在進(jìn)行時”①If he es back, I will tell him the news.帶有時間或條件狀語從句的主句通常不宜用be going to,而用will:When he es back, I will tell him the news.看那些烏云,要下雨了。” (事先考慮的意圖,不能用will)②” (臨時想法,不能用be going to)Ann is in hospital. Yes, I know. I’m going to visit her tomorrow. “安住院了。”“啊,真的嗎?我還不知道。若是強調(diào)某個意圖是經(jīng)過事先考慮好的,則通常要用be going to;若是表示某個意圖沒有經(jīng)過事先考慮,而是在說話的當(dāng)時才臨時想到的,則通常用will。我不會把這事告訴你的。我想今晚會下雨?!皐ill / shall+動詞原形”與“be going to注:在表示時間、條件等的狀語從句以及某些名詞性從句、定語從句等中,也用一般現(xiàn)在時表示將來意義,參見“時態(tài)詳解:一般現(xiàn)在時”的有關(guān)用法。We have a holiday tomorrow.Tomorrow is Wednesday.表示按規(guī)定或時間表預(yù)計要發(fā)生的事:The train leaves at 7:25 this evening.(6)注:該用法有時表示即將發(fā)生的動作:I’m leaving.We’re having a party next week.主要表示按計劃或安排要發(fā)生的事:The students are leaving on Sunday.(5)His book is due to be published in October.主要表示按計劃或時間表將要發(fā)生某事:He is due to leave very soon.(4)注:該結(jié)構(gòu)通常不與具體的時間狀語連用:誤:He is about to leave soon [tomorrow].另外,該結(jié)構(gòu)在美國英語中還可表示“打算”(主要用于否定句):I’m not about to lend him any more money.Sit down, everyone. The film is about to start.主要表示即將要發(fā)生的事:He is about to leave.(3)他決定明天去北京。Beijing用“be to+動詞原形”表示。后接動詞go和e時,通常直接改用其進(jìn)行時態(tài):Where is he going to go? / Where is he going?瞧,要下雨了??峙滤麄儠愝?。我們不準(zhǔn)備在那里多待。用“be going to+動詞原形”表示。I think she will pass the exam.動詞原形”構(gòu)成:We shall have a lot of rain next month.He is going to study abroad next year.你今天下午干什么?We will have a meeting tomorrow.做狀語。一般將來時一、一般將來時的定義一般將來時表示在現(xiàn)在看來即將要發(fā)生的動作或存在的狀態(tài)。常用時間副詞tomorrow, soon或短語next year / week / month, in a few days, in the future, sometime如:What will you do this afternoon.我們明天要開會。明年他要出國學(xué)習(xí)。二、一般將來時的基本用法及構(gòu)成一般將來時的基本用法是表示單純的將來事實,由“will / shall +下個月將下很多雨。我想他考試會及格的。三、表示將來時間的幾種常見方法英語中除了“will /shall+動詞原形”表示半來時態(tài)外,還可以有以下多種方法:(1)主要表示打算和預(yù)測:We are not going to stay there long.(表打算)I’m afraid they’re going to lose the game.(表預(yù)測)Look, it’s going to rain.(表預(yù)見)注:be going to他打算到哪里去?(2)主要表示按計劃或安排即將要發(fā)生的動作;有時也表示命令、禁止或可能性:He is to leave fortomorrow.Tell him he’s not to be back late.告訴他不準(zhǔn)遲回。用“be about to+動詞原形”表示。他即將要離開。大家坐好,電影馬上就要開發(fā)始了。我不打算再借給他任何錢。用“be due to+動詞原形”表示。他很快就要離開。他的書計劃10月份出版。用“現(xiàn)在進(jìn)行時”(即be+現(xiàn)在分詞)表示。學(xué)生們星期日出發(fā)。我們下星期將開一個晚會。我走了。用“一般現(xiàn)在時”表示?;疖嚱裢?:25分開。明天是星期三。我們明天放假。四、三種將來時間表示法的比較(1)+動詞原形”兩者均可表示將來時間和意圖,兩者有時可換用:I think it’ll rain this evening. / I think it’s going to rain this evening.I won’t tell you about it. / I’m not going to tell you about it.但有時有差別:①比較:Ann is in hospital. Oh, really? I didn’t know. I’ll go and visit her. “安住院了。我要去看看她?!薄拔抑溃掖蛩忝魈烊タ纯此?。若是有跡象表明要發(fā)生某事,通常只用be going to,不用will:Look at those black clouds. It’s going to rain.③他回來時我就告訴他這個消息。他若回來我就告訴他這個消息。be going to主要表示主觀想法或意圖,而現(xiàn)在進(jìn)行進(jìn)表示將來則主要已經(jīng)強調(diào)作出的安排。若有時間我想洗洗車。 don’t forget.(已作出的安排)②不久會下雪。情況很快就會好起來。當(dāng)表示堅持要(不要)某人做某事時,兩者均可用:She’s taking [going to take] that medicine whether he likes it or not.You’re not wearing [going to wear] that skirt to school.(3)我們今晚住哪里?I’m (going) to play tennis this afternoon.另外,be going to看,要下雨了。五、典型一般將來時考題詳解【例1】Turn on the television or open a magazine and youadvertisements showing happy familiesA.B.are often seeingD.這是“祈使句+and +陳述句”句型,祈使句相當(dāng)于一個條件狀語從句,and后的陳述句的謂語用一般將來時,這是一個較為固定的句型。__________were decidinghave decidedC.will decide分析:B?!纠?】__________seeB.have seenwill see分析:D?!纠?】If their marketing plans succeed, theytheir sales by 20 percent.A.B.have increasedD.由于if條件從句用的是一般現(xiàn)在時,所以其相應(yīng)的主句宜用一般將來時。Population exper