1. Sam is tired because he has
been riding a bike for two hours and has ridden 3 miles.
2. Mary is tired because she has been doing the shopping since morning and has bought
a lot of food.
3. Bill is tired because he has been reading detective stories for two hours and
has read 2 stories.
4. Sally is tired because she has been making pancakes since morning and has made
50 big pancakes.
5. Roy is tired because he has been watching videos for three hours and has seen
2 films.
6. Jack is tired because he has been training since morning and has thrown the
ball 100 metres
7. Sarah is tired because she has been washing up for an hour and has broken a
few plates.
8. The children are tired because they have been planting flowers since morning
and have planted a lot of primroses.