Correct the mistakes: 1. I just wonder whether are you happy. 2. He is asking if they have a nephew or not. 3. They wonder if she sings well or not. 4. Ask him if is it clear. 5. I wonder whether were they well-bred. 6. He wonder whether we are late. 7. She is asking if am I married. 8. I wonder if he is old enough or not.

• I just wonder whether you are happy.
• He is asking whether they have a nephew or not.
• They wonder whether she sings well or not.
• Ask him if it is clear.
• I wonder whether they were well-bred.
• He wonders whether we are late.
• She is asking whether I am married.
• I wonder whether he is old enough or not.