Put the vebs in brackets into the correct tense.
 I 1) 'm writing (write) to tell you what a great time we ....... (have) at the Sour Grapes concert last weekend. It's a pity you 2)....... (not/come).
The concert 4) .......(take) place in the football stadium near the university. There 5)........(be) about 80,000 people there. While we 6)........(wait) to get in, we 7)......(see) the membersof the group arrive in a big black limo. They 8)........(have) bodyguards with them. Anyway, we 9)......(find) out seats and 10) .........(wait) impatiently for the oncert to begin. The Sour Grapes 11) ......(resently/record) an album which 12).......(become) very successful.
 The concert 13)........(last) for two and a half hours. I 14)........(send) you some photos that Alex 15).......(take) when we 16).......(be) there. We 17).........(hear) that the Sour Grapes 18).......(give) a big concert in London next month. Perhaps you can see them there.
                                                                                    Best Wishes,
                                                                                       Roger