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7.2 past simple, present perfect 2 1. Wei bwere / have been informed that you are an expert in the field. Since my last email to you Ii bhave ascertained / ascertained that
3. Ahmed
phoned / has phoned and
said / has said that
4. Umesh Patel
called / has called this morning.
5. Sorry for the delay in getting back to you but Ii bhave been / was out of the office. For some reason my last email
had / has had delivery problems. So here it is again just in case you
didn’t get / haven’t got it first time round.
7.
Sorry I accidentally hit / have hit the send button.
8. OK, I’m sorry – you are right. Ii bmisunderstood / have misunderstood what you were saying.
9. Sorry about that, we obviously
had / have had our wires crossed 10. I am sorry that I am notable to provide you with the information you
requested / have requested .
1. have been
2. have ascertained
3. phoned, said
4.
called 5. have been
6. had, didn’t get
7. hit
8. misunderstood
9. had
10.
requested 
