First he finished his work. Then he left the office. (as soon as)
After he had written several letters, he went to bed. (Having)
He did his homework, then he watched TV. (Before)
Having finished her homework, she handed it to the teacher. (After)
I heard the news and immediately told my brother. (As soon as)
He slept after he had done his homework. (until)
I didn't speak English well until I had travelled to England. (after)
The lights went out, then I looked for the electric torch. (When)
It wasn't until I had finished that I went home. (No sooner)
We had no sooner started studying than there was a power cut. (Hardly or Scarcely)
It was only when she had arrived that she began shouting. (no sooner)
Before he travelled, he had booked the tickets. (travelling)
After visiting his relatives, he went back home. (before)
When I had arrived at the station, the train left. (only)
During the film, he fell asleep. (While)
When she saw the dog, she ran away. (On)
As the teacher was explaining the lesson, two students whispered to each other. (When)
After he had seen the accident, he called an ambulance. (by the time)
The phone rang while I was having lunch. (Just as)
While they were arriving at school, they saw their friends. (During)
First, I saved money, then I bought a new car. (After)
First, I saved money, then I bought a new car. (Before)
First, I saved money, then I bought a new car. (Having)
First, I saved money, then I bought a new car. (It was)
First, I saved money, then I bought a new car. (It wasn't)
First, I saved money, then I bought a new car. (till)
He revised his lessons, then he answered the test. (wasn't answered)
Before she went out, she had switched off the lights. (switching)
