Complete the sentences with the correct form of the verbs in brackets.

1. Phil agreed that he … (make) a big mistake in leaving his job.

2. By the time I arrived, he … (eat) four of the cookies!

3. He quickly … (change) his clothes before the police arrived.

4. The local people … (never/see) someone with blonde hair.

5. I … (answer) the phone because I was sleeping upstairs.