My mother was doing the city at 7 o'clock. Kevin was doing the city at 7 o'clock yesterday Mary and Polly were buying souvenirs at 6.30 yesterday The Smiths were having tea at 5 o'clock yesterday Boris and Kate were playing badminton at 9 o'clock yesterday Liz was drawing a picture at 10 o'clock yesterday Peter was choosing a present for his friends at 12 o'clock yesterday You were enjoying the party at 8 o'clock yesterday