1. Is Jerry studying now ? - No, Jerry isn't studying now.
2. Are Sally's parents worrying ? - No, Sally's parents aren't worrying.
3. Are you enjoying the party? - No, I am not enjoying the party.
4. Is the wind blowing heavily? - No, The wind isn't blowing heavily.
5. Is Bob's brother talking to Eva ? - No, Bob's brother isn't talking to Eva.