Climbing /hurt my foot

I was climbing. Then I hurt my foot.

I hurt myfoot when I was climbing.

Sweepingthe floor/ find my pen

I wassweeping the floor. Then I found my pen.

I found mypen when I was sweeping the floor.

Cooking/burn my hand

I wascooking. Then I burnt my hand.

I burnt myhand when I was cooking.

Waiting atthe airport / plane arrived

I waswaiting at the airport.  The planearrived

The plane arrived when I was waiting at the airport.

Playingchess/ visit us

We wereplaying chess. He visited us

We wereplaying chess when he visited us.

Havingdinner / lights went out

We werehaving dinner. Then the lights went out.

The lightswent out when we were having dinner.

接下来的练习稍有些变化

She wasgetting off the bus. Then she slipped and hurt her foot.

Just asshe was getting the bus, she slipped and hurt her foot.

They wereleaving the house. Then the postman arrived.

Just asthey were leaving the house, the postman arrived.

I wasgoing upstairs. Then the telephone rang.

Just as Iwas going upstairs, the telephone rang.

We weregetting into the car. Then it began to rain

Just as wewere getting into the car, it began to rain.

I wasfinishing my breakfast. Then my aunt arrived.

Just as Iwas finishing my breakfast, Aunt Lucy arrived.

We weregoing to bed. Then someone knocked the door.

Just as wewere going to bed, someone knocked the door.

She wasshutting the door. Then the baby woke up.

Just asshe was shutting the door, the baby woke up.