1. If you're a vegetarian, you shouldn't eat meat.
2. If you live in a cold country, you won't like hot weather.
3. If you're a teacher, you have to work very hard.
4. If you do a lot of exercise, you will stay fit and healthy.
5. If you're a mechanic, you will understand engines.
6. If you read newspapers, you will know what's happening in the world.