EGrammar Unit 15 had been doing

Ex)

Yesterday morning I got up and looked out the window.
Thw sun was shining, but the ground was very wet.
It had been raining.

I was very tired when I got home. I had been working hard today.
We had been playing for half an hour whem it started to rain.
Jim quit drinking coffee two years ago. He'd been drinking coffee for 20 years.

You can say that something "had been happening" for a period of time before something else happened.

Compare "have been -ing" and "had been -ing"

• I home the bus comes soon. I've been waiting for 20 minutes. (before now.)
• At last the bus came. I'd been waiting for 20 minutes. (before the bus came)

• He's out of breath. He has been running.
• He was out of breath. He had been running.

Compare "had been doing" and "was doing"

• It wasn't raining when we went out. The sun was shining. But it had been raining, so the ground was wet.
• Stephanie was sitting in an armchair resting. She was tired because she'd been working very hard.

言葉。

keep up with

遅れないでついて行く。
I had trouble keeping up with him because he was walking very fast.

Brian was on his hands and knees on the floor.

ブライアンは床の上で手と膝をついていた。

She was out of breath

彼女は息を切らしていた。