思馬得英語100個句子學(xué)英語語法（24）：過去進(jìn)行時

　　<例句>

　　What were you doing when I rang you?

　　我給你打電話的時候你在干嗎?

　　<語法分析>

　　過去進(jìn)行時主要表示過去某時的一個動作正在進(jìn)行，而過去的時間可以由一個狀語表示出來，有時候時間由上下文表示出來。過去進(jìn)行時既具有一般過去時的特點(diǎn)，又具有進(jìn)行時的特點(diǎn)。過去進(jìn)行時與一般過去時的基本差別是，前者表示一個正在進(jìn)行的動作，而后者則表示一個已經(jīng)完成的動作。而且，用進(jìn)行時態(tài)時有時有感情色彩。

　　<觸類旁通>

　　(1) She was always working.

　　她總是不停地干活。

　　語法分析：這個句子具有贊揚(yáng)的意味，有時用進(jìn)行時態(tài)可使句子具有感情色彩，特別是帶有always, forever和constantly等狀語的時候。

　　(2) I got to know him when I was working in a pharmacy.

　　我在藥房工作時結(jié)識了他。

　　語法分析：在狀語從句中，經(jīng)常要用到過去進(jìn)行時。

　　(3) The kettle was boiling, the telephone was ringing and someone was knocking at the door.

　　壺里的水開著，電話鈴響著，又有人在敲門。

　　語法分析：過去進(jìn)行時表示正在進(jìn)行的一次性動作。

　　(4) I was always missing trains.

　　我總是誤火車。

　　語法分析：過去進(jìn)行時可以表示經(jīng)常重復(fù)性的動作。

　　(5)They were expecting to finish the work last week, but unexpectedly the machines went out of order.

　　他們原以為上個月會完成工作，但不巧機(jī)器出了故障。

　　語法分析：某些詞或詞組如come, go, plan, expect以及l(fā)ook forward to 等的過去進(jìn)行時，有時是表示本來打算做而實(shí)際沒有做成的事情。

　　(6) By the time he was ten he was already doing experiment in chemistry.

　　到十歲時，他已經(jīng)在做化學(xué)實(shí)驗(yàn)了。

　　語法分析：過去進(jìn)行時還可以表示該動作還未結(jié)束或已進(jìn)入一個新階段。

　　(7) I was wondering whether you could give me some advice.

　　不知道你可否幫我出點(diǎn)主意。

　　語法分析：有時用進(jìn)行時表示現(xiàn)在的想法，可以顯得客氣一點(diǎn)。

　　<鞏固練習(xí)>

　　(1) Soon all the people of the city _____[talk] of the wonderful cloth.

　　(2) She _____[come] to see me, but unfortunately she was ill.

　　(3) He was busy yesterday. He _____[prepare] for the exams.

　　(4) She lost her purse when she _____[sroll] across a meadow.

　　(5) I asked her to tell me what _____[trouble] her.a

　　(6) I _____[hope] you could reconsider our proposal.

　　<參考答案>

　　(1) were talking (2) was coming (3) was preparing (4) was strolling (5) was troubling (6) was hoping