Hi , dear friends !我是一般過(guò)去時(shí)。也許你剛剛知道我的名字,但每當(dāng)你用英語(yǔ)表示發(fā)生在過(guò)去的動(dòng)作、情況或過(guò)去存在的狀態(tài)時(shí),我總會(huì)助你一臂之力。例如:
I often played basketball after school last term.我上學(xué)期放學(xué)后常打籃球。
Mary wrote a letter to her friend last night.昨晚瑪麗給她朋友寫了一封信。
我多與如yesterday / yesterday morning (afternoon / evening ) / the day before yesterday / last night ( week / year / month ) / two days ago / a moment ago / just now / then / once/ in 2004等表示過(guò)去的時(shí)間狀語(yǔ)連用。
如果表示過(guò)去經(jīng)常或反復(fù)發(fā)生的動(dòng)作我也會(huì)鼎力相助,此時(shí)我常與often , usually , always , never等頻率副詞連用。例如:
They often got up late last week. 他們上周經(jīng)常很晚起床。
The twins always went to school by bike last term.上學(xué)期雙胞胎一直騎自行車去上學(xué)。
如果表示已故的人所做的事情,也需我出面支持。例如:
Comrade Lei Feng did good deeds in his life. 雷鋒同志做了一生的好事。
Lu Xun wrote many great works. 魯迅生前寫過(guò)許多不朽作品。
如果表示過(guò)去所發(fā)生的一系列的動(dòng)作,也是我一般過(guò)去時(shí)應(yīng)盡的義務(wù)。例如:Mr Green got up at six o’clock this morning , dressed , had breakfast , and went to work by car. 格林先生今天早上六點(diǎn)起床,穿衣服、吃早飯,然后開小汽車去上班了。
同學(xué)們或許知道,任何時(shí)態(tài)都有其特殊的結(jié)構(gòu),這是一種時(shí)態(tài)區(qū)別于其它時(shí)態(tài)的標(biāo)志。我一般過(guò)去時(shí)的謂語(yǔ)動(dòng)詞要用過(guò)去式。我的Be過(guò)去式有兩個(gè):was (是is ,am的過(guò)去式,用于第一、三人稱單數(shù)) ;were(是are的過(guò)去式,用于第一、二、三人稱復(fù)數(shù)和第二人稱單數(shù));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。
有的朋友可能要問(wèn),規(guī)則動(dòng)詞的過(guò)去式是如何構(gòu)成的呢?其實(shí)并不難,“直”、“去”、“雙”、“改”四字可解決。具體讓我細(xì)細(xì)道來(lái):
★)一般情況下,在動(dòng)詞原形后直接加-ed 。如:play → played , pack → packed , watch → watched , work → worked 等;
★)以不發(fā)音的字母e結(jié)尾的動(dòng)詞去掉e再加-ed ,或理解為只加-d 。如: like → liked , hope → hoped , live → lived等;
★)末尾只有一個(gè)輔音字母的重讀閉音節(jié)的動(dòng)詞,先雙寫該輔音字母,再加-ed 。如:plan → planned , stop → stopped等;
★)結(jié)尾是“輔音字母 + y”的動(dòng)詞,先將“y”變?yōu)椤癷”,再加-ed。如:carry → carried , worry → worried , study → studied等。
不過(guò),大家可得注意,規(guī)則動(dòng)詞的過(guò)去式的讀音有規(guī)律可依:
清后讀/t/ ;元濁后讀 /d/ ;t ,d 后讀 /id/ 。
◆-ed前是清輔音時(shí),如:/p//k//s//?蘩//t?蘩/等,-ed讀/t/ 。如:worked /w?藜:kt/,passed / pa:st /等;
◆-ed前是元音或濁輔音時(shí),如:/b//ɡ//v//z//m//n/等讀 /d/ 。如:lived
/livd/ , closed /kl?藜uzd/ , called /k?蘅 :ld/等;
◆-ed前是t或d時(shí),-ed讀 /id / 。如:wanted / ′w?蘅ntid / , started / ′stɑ:tid / 等。
好多同學(xué)反映我的各種句式變化比較復(fù)雜,很難掌握。如果你了解了我的句式特點(diǎn),一切都變得輕松自如。若句中含有was , were時(shí),想必大家都會(huì)變疑問(wèn)句、否定句。如:
I was in Nanjing last month. (肯定句)
→ I was not (wasn’t )in Nanjing last month. (否定句)
→ Were you in Nanjing last month? (一般疑問(wèn)句)
如果我的句式中謂語(yǔ)是行為動(dòng)詞,變疑問(wèn)句、否定句時(shí)同學(xué)們還得多加注意。大家不妨記住下面的口訣:
行為動(dòng)詞過(guò)去時(shí),句式變化特點(diǎn)記。
變否定,很輕松,did加not記心中。
變疑問(wèn),更簡(jiǎn)單,Did大寫句首添。
特殊疑問(wèn)也不難,疑問(wèn)詞語(yǔ)前面站。
若是用了助(動(dòng)詞)did ,過(guò)去式還得變?cè)?。如?/p>
They played football yesterday afternoon.(肯定句)
→ They didn’t play football yesterday afternoon.(否定句)
→Did they play football yesterday afternoon? (一般疑問(wèn)句)
→ When did they play football? (特殊疑問(wèn)句)
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