英語時態(tài):過去進行時 概念解析
過去進行時:表示過去正在進行的動作,經(jīng)常用在when, while, as引導(dǎo)的狀語從句中。
結(jié)構(gòu)
1.過去進行時由“主語+was/were + 現(xiàn)在分詞”構(gòu)成
例如:We were having supper when the phone rang. 我們正在吃晚飯時電話響了。
2.過去進行時的否定式由“主語+was/were not +現(xiàn)在分詞”構(gòu)成
例如:This time yesterday Jack was not watching TV. He was repairing his bike. 昨天這個時候,杰克不是在看電視,而是在修理自行車?
3.過去進行時的疑問式由“was/were + 主語+ 現(xiàn)在分詞”構(gòu)成
例如:Were you playing basketball at four yesterday afternoon? 昨天下午四點你們在打籃球嗎?
基本用法
1. 過去進行時的基本用法主要表示過去某一時間正在進行的動作。
如:He fell asleep when he was reading. 他看書時睡著了。
2. 用過去進行時表示現(xiàn)在主要是為了使語氣委婉、客氣。
如:I was wondering if you could give me a lift. 我不知你能否讓我搭一下車。
【注】一般過去時也有類似用法,但比較而言,用過去進行時顯得更客氣,更不肯定。
3. 過去進行時表示感情色彩與現(xiàn)在進行時相似,過去進行時也可表示滿意、稱贊、驚訝、厭惡等感情色彩,也通常與 always, forever, continually等副詞連用。
如:They were always quarrelling. 他們老是吵架。
4. 動詞be的過去進行時動詞be的進行時也可表示過去一時的表現(xiàn)或暫時的狀態(tài)。
比較:He was friendly. 他很友好。(指過去長期如此) He was being friendly. 他當(dāng)時顯得很友好。(指當(dāng)時一時的表現(xiàn))
補充:when 的后面加一般過去時,而且動詞是不延續(xù)性動詞。
while 的后面加過去進行時,動詞是延續(xù)性動詞。
特殊用法
1、當(dāng)句子意思很清楚時,我們也可以把兩個動詞都換成一般過去時
We listened carefully while the teacher read the text. 老師讀課文時,我們都仔細(xì)地聽著。
2、表示按計劃、安排過去將要發(fā)生的事。用于come, go, leave, start, arrive等表示位置轉(zhuǎn)移的動詞時,也可以用過去進行時表示過去將要發(fā)生的動作。
如:He told me that he was going soon. 他告訴我他很快就要走了。
3、表示故事發(fā)生的背景。
It was snowing as the medical team made its way to the front. 那支醫(yī)療小組往前線行進時,天正下著雪。
4、表示一個新的動作剛剛開始。
過去進行時可用來引出一個新的動作,這種用法頗有點兒像鏡頭轉(zhuǎn)換。
Five minutes later, he stood in the doorway smoking a cigarette. 5分鐘后,他已站在門口抽著煙。
5、過去進行時還可和when結(jié)構(gòu)遙相呼應(yīng),含有意外之意。
I was walking in the street when someone called me. 我正在街上走時突然有人喊我。
6、用來陳述原因或用作借口。
She went to the doctor yesterday. She was having a lot of trouble with her heart.她昨天去看病了。她患了很嚴(yán)重的心臟病。
7、與always, constantly等詞連用,表示感情色彩。
The girl was always changing her mind. 這女孩老是改變主意。
作者:大學(xué)生新聞網(wǎng) 來源:大學(xué)生新聞網(wǎng)
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