Поставьте предложения в вопросительную и отрицательную форму: 1. her sister studies at school. 2. we always meet him on mondays. 3. he is a doctor.

1.       Her sister studies at school.

Does her sister study at school?

Her sister doesn`t study at school.

2.       We always meet him on Mondays.

Do we always meet him on Mondays?

We always don`t meet him on Mondays.

3.       He is a doctor.

Is he a doctor?

He isn`t a doctor.