1. Simon is good at swimming, and last summer he managed to swim across a wide river
2. Perhaps he is sick, or maybe late.
3. Tom this competition. He must be very happy.
4. It was raining heavily, and Lisa could get wet. But she had an umbrella and a raincoat.
5. You can not walk dogs here.
6. I need to carry your heavy bag.
7. You should spend more time in the fresh air.
8. They were caught in a traffic jam. They should have gone by metro