If you have time you should VISIT the National Museum.
• When you are driving a car, you should FASTEN the seatbelt.
• When you play football, you should WATCH the ball.
• It’s late and you are tired. You should GO to bed.
• You should CLEAN your teeth at least twice a day.
• It’s too far from here. You should TAKE a taxi to get there.
• If you want to pass the exam, you should STUDY more.
• He wants to lose weight, so he should EAT less.
• It’s raining now. I think you should TAKE an umbrella.
• He’s ill. He should STAY at home