TRANSLATE on a separate piece of paper
1. I have some smart friends.
2. I don't have any smart friends.
3. I know some very stupid people. (personas)
4. I don't know any stupid people.
5. I have some very funny cousins.
6. I don't have any funny cousins.
7. I have some strict teachers.
8. I don't have any strict teachers.
9. Do you have some interesting books?
10. No, I don't have any (have no) interesting books. (Remember, "books" changes to singular.)

TRANSLATE on a separate piece of paper
1. I have some smart friends.
2. I don't have any smart friends.
3. I know some very stupid people. (personas)
4. I don't know any stupid people.
5. I have some very funny cousins.
6. I don't have any funny cousins.
7. I have some strict teachers.
8. I don't have any strict teachers.
9. Do you have some interesting books?
10. No, I don't have any (have no) interesting books. (Remember, "books" changes to singular.)