來(lái)源:網(wǎng)絡(luò) 作者:匿名 2009-10-23 12:08:32
◎ 一般現(xiàn)在時(shí)
[課本原句] You should always speak English in class. 你應(yīng)該在課堂上說(shuō)英語(yǔ)。(Unit 1, P2)
But it takes a long time. 但花費(fèi)太長(zhǎng)的時(shí)間了。(Unit 2, P4)
[解析] 首先我們知道,一般現(xiàn)在時(shí)表示經(jīng)常性或習(xí)慣性的行為時(shí)常與一些頻度副詞連用。如:usually, often, always, sometimes, never, seldom等。
謂語(yǔ)動(dòng)詞若是be動(dòng)詞,用am, is和are;如果含有情態(tài)動(dòng)詞,用“情態(tài)動(dòng)詞+動(dòng)詞原形”;若含有實(shí)義動(dòng)詞則用動(dòng)詞原形或動(dòng)詞第三人稱(chēng)單數(shù)形式。
注意:在條件狀語(yǔ)從句和時(shí)間狀語(yǔ)從句中,用一般現(xiàn)在時(shí)表示將來(lái)。如:
If you don't go soon, you'll be late. 如果你不快點(diǎn)去,你會(huì)遲到的。
◎ 一般過(guò)去時(shí)
[課本原句] I left my homework at home. 我把家庭作業(yè)忘在家里了。(Unit 3, P7)
[解析] 一般過(guò)去時(shí)表示過(guò)去某時(shí)間發(fā)生的事、存在的狀態(tài)或過(guò)去反復(fù)發(fā)生的動(dòng)作。常與表示過(guò)去的時(shí)間狀語(yǔ)yesterday, yesterday morning / afternoon / evening, last week / month ..., in 2006等連用。
注意:過(guò)去時(shí)的謂語(yǔ)形式:
1. be的過(guò)去式有兩個(gè):was (是is,am的過(guò)去式) ;were(是are的過(guò)去式)。2.行為動(dòng)詞的過(guò)去式一般在詞尾加-ed。(不規(guī)則變化的動(dòng)詞請(qǐng)參看不規(guī)則動(dòng)詞表。)
◎ 一般將來(lái)時(shí)
[課本原句] I'm going to meet my pen friend in Beijing this term. 本學(xué)期我將在北京與我的筆友見(jiàn)面。(Unit 1, P2)
How will Mary help him? 瑪麗將怎樣幫助他?(Unit 3, P6)
[解析] 一般將來(lái)時(shí)表示將來(lái)某個(gè)時(shí)間要發(fā)生的動(dòng)作或存在的狀態(tài)。常與表示將來(lái)的時(shí)間狀語(yǔ)tomorrow, next week, this term, from now on, later (on), tomorrow morning / afternoon / evening等連用。常見(jiàn)兩種表達(dá)形式:(1)“助動(dòng)詞will / shall + 動(dòng)詞原形”;(2)“be going to +動(dòng)詞原形”。如:
What shall we do in our English class tomorrow? 明天的英語(yǔ)課上我們將做什么?
I'm going to see my uncle this evening. 我打算今晚去看望我叔叔。
另外,come, go, start, move, leave, travel等動(dòng)詞常用進(jìn)行時(shí)態(tài)表示按計(jì)劃將要做的事。如:
The whole family's going for a picnic. 全家人將要去野餐。
◎ 現(xiàn)在進(jìn)行時(shí)
[課本原句] ... and they're doing some concerts in China. ……他們正在中國(guó)舉辦音樂(lè)會(huì)。
(Unit 1, P2)
[解析] 現(xiàn)在進(jìn)行時(shí)由“am / is / are +現(xiàn)在分詞”構(gòu)成,表示現(xiàn)在正在進(jìn)行的動(dòng)作或存在的狀態(tài)。其時(shí)間狀語(yǔ)為now, at this moment, at present等。(由Look!Listen!等開(kāi)頭的句子也常用現(xiàn)在進(jìn)行時(shí)),也可從上下文體現(xiàn)出來(lái)。
注意:“連系動(dòng)詞 + 介詞 / 副詞”也可表示正在進(jìn)行的意義。如:He is at work. 他正在工作。
[試一試] 根據(jù)提示,完成句子。
1. What ________ (happen) to her yesterday evening?
2. Liu Hai always ________ (help)Granny Wang with her housework.
3. —What's the child doing?
—He ________ (watch) TV.
4. There ________ (be) a football match on TV this afternoon.
5. They ________ (not play) tennis on the playground yesterday afternoon.
(參考答案:1. happened 2. helps 3. is watching 4. will / is going to be 5. didn't play)
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