1 Complete the sentences with the Past Perfect Simple or Past Perfect Continuous form of the verbs in brackets. Use the continuous form if possible. 1 I played at the charity concert yesterday. I (practise) for ages.
2 I knew Sam (volunteer) in Africa a few years ago, so I asked him about the experience.
3 John (promise) to phone me many times, but he always forgot.
4 Kate offered to help me because I (try) to answer the question for ages.
5 I saw some boys in the park. They (play) football for some time.