1. Bob failed at his exams. If he worked had worked) harder he wouldn't (fall/have failed) at his exams. 2. Jane didn't manage to
buy a ticket for the RU 321 Flight. If she (managed/had managed)
to buy a ticket for that flight, she would (arrive/have arrived) in
London yesterday. 3. Jack wants to catch a 79 bus. If Jack (caught/had
caught) a 79 bus, he wouldn't be late/have been late) for work.
4. It rained heavily at the weekend. If it (didn't rain/hadn't rained)
