過去進行式 (Past Progressive Tense)
What were you doing at nine o'clock last night?
I was riding my bike at nine o'clock last night.
The children were staring at us with huge eyes.
While I was eating dinner, the telephone rang.
My boyfriend was waiting for me when I got off the plane.
Andy was cooking dinner when I arrived.
I was watching TV when she called.
What was he doing when the earthquake started?
While we were having the picnic, it started to rain.
上面這些例子，讀者不難發現都有從屬連接詞 when 與 while 來連接兩個子句而形成複句。通常 when 描述過去發生的事，後面跟著過去時式， 而 while 強調過去的一段時間所發生的事，後面跟著過去進行式。
They _______ when you arrived.
(A) are studying (B) were studying
- When she called me, I am playing the piano and did not hear the phone.
- When she called me, I was playing the piano and did not hear the phone.
|主動語態 || The waiter was taking my order when the lights went out. |
|被動語態 ||My order was being taken by the waiter when the lights went out. |
- Tom was wanting to be a scientist when he was a child.
- Tom wanted to be a scientist when he was a child.
過去進行式夾帶著 always 或 constantly 通常表示負面的意思。
Jeff was always coming to class late.
She was always complaining; nothing satisfied her.
He was constantly changing his mind.