Использование времен Past Simple, Past Continuous, Past Perfect или Past Perfect Continuous

1. Nick didn't answer the phone because he was taking a shower.
2. I couldn't find my umbrella, but then I remembered that my brother had taken it to school.
3. Freddy took the torch and walked downstairs.
4. They had been taking the exam for 2 hours when Mr. Smith entered the room.

1. I saw Sue in the cafe. She was washing the windows there.
2. They washed their car two days ago.
3. By the time I came home Mum had already washed the dishes.
4. Sally's sister had been washing the mushrooms since the early morning, so she decided to help her.

1. By midnight I had done all the work and went to bed.
2. We were doing our project when you phoned.
3. Paul had been doing that crossword since morning and was puzzled.
4. Mummy washed her hair quickly and left for work.