Составьте 5 предложений Present simple tense (положительное, отрицательное, вопросительное)

1. My sister helps my mother every day.

2. My sister does not (doesnt) help my mother every day.

3. Does my sister help my mother every day?.

4. Who helps my mother every day?.

5. How often does my sister help my mother?.

6. Whom does my sister help every day?.