2 Circle the correct tense in each sentence.
1 By the time Alina started the project, she had been saving animals for 5 years.
2 Before he moved to Africa, he had called them to ask for more information.
3 It was the first time I had worked on a computer.
4 Dad phoned before I had finished the letter he asked me to write.
5 Mr Mustabekov worked as a teacher for a while and then decided to apply for a job in a charity organisation.
Correct the sentences that have mistakes in them. One sentence has no mistakes. Which one?
1 The children were quite tired because they had been baking cakes all evening.
2 Because he had never been a volunteer, my brother didn't know what to expect.
3 Somebody else organised the charity event before I had a chance to start the project myself.
4 Bolat had been studying all day so he was really tired when he got home from work.