1. I´m going to Mat´s party today.
Are you going to Mat´s party today? Yes, I am going.

2. Lucía is having lunch.
Is Lucía having lunch? Yes, she is.

3. She´s coming here right now.
Is she coming here right now? Yes, she is.

4. Rosa is doing her homework.
Is Rosa doing her homework? Yes, she is.

5. I´m not studing hard for the exam
Are you studing hard for the exam? No, I´m not