1)James and Peggy are going to the seaside right now.
2)The children are sitting round the fire at the moment.
3) Philip is building a house in the country right now.
4)Denis isn't working in the garden now.
1)James and Peggy were going to the seaside at three o'clock yesterday.
2)The children were sitting round the fire at that time the day before.
3)Philip was building a house in the country all day long yesterday.
4)Denis wasn't working in the garden the whole morning yesterday.