can - may - must - need - shall - will

Fill in the blanks with the right modal in the affirmative:
1. He swim very well. (capacité)
2. You work more if you want to succeed. (obligation)
3. He go to Paris tomorrow. (futur)
4. " I come in?” “Please, do!” (permission)
5. you run? You have plenty of time. (absence d'obligation)
6. We see if he respects his promise. (futur 1° pers)