What will you say in each situation below? Use first conditional sentences with modal verbs.

1. Your friend wants to lose weight. You advise him/her to eat less high fat food and do more exercise.

2. Your friend invites you out for an ice cream, but it's possible that you will have a sore throat.

3. Your roommate often stays up late at night. You think it is necessary to get enough sleep every night; otherwise, his health will suffer.

4. Your little brother wants to go for a swim. You agree but ask him to finish all his homework first.

5. You're able to make a delicious pizza when you have all the needed ingredients.