Question

Put the verbs in brackets into the past simple, past continuous, past perfect or past perfect continuous. 21 Peter...........................................................(talk) on the phone when I went to his office, so I didn't want to interrupt him. 22 We didn't see Jane at the party, because when we got there she......................................................................(already/go) home 23 When....................................................... (James/graduate) from university? 24 John............................................................ (try) to fix his computer for two hours before he decided to call a professional. 25 Sam............................................................. (not/win) the Young Inventor of the Year Award last year, but he's sure he will this year.

Answer 1

Was talking
had already gone
did James graduate
had been trying 
didn't win

Answer 2

21 Peter was talking on the phone when I went to his office, so I didn't want to interrupt him. 22 We didn't see Jane at the party because when we got there she had already gone home. 23 When did James graduate from university? 24 John had been trying to fix his computer for two hours before he decided to call a professional. 25 Sam didn't win the Young Inventor of the Year Award last year, but he's sure he will this year.