When we reached the city center we couldn't find a parking space, so we decided to go by bus the next time.
We had to wait for hours at the airport because the bad weather delayed all the flights.
We missed our train, so by the time we reached the theatre, the play had ended and the audience was leaving the theatre.
At the end of their meal they found they couldn't pay the bill because they hadn't brought any money with them.
The children were thrilled when they unwrapped the electronic toys, but when they discovered that nobody had bought a battery they were disappointed.
When I came out of the cinema I found that a thief had taken my car radio.
At first the authorities thought the athlete had been taking drugs, but they soon realized they had mixed up the results of the tests.
When the film star came into the restaurant I didn't recognize her because I hadn't see any of her films.
Many modern medicines were not invented by western scientists, but by tribal people who had been using them for generations before the Europeans arrived.
I was pleased to see my old college friends at the conference last week as we hadn't seen each other since we finished our course.