Англ. яз, нужна помощь

Упражнение 1. Вставьте спрягаемую часть глагола to be present:
- I am a doctor, and she is a waitress.
- They are rude to the waitress in the restaurant.
- We aren't at the class.
- Is he a student?
- It is dark at the street.
- Is she in the garden?
- How many people are there?
- I am not at the doctor.

Упражнение 2. Преобразуйте предложения из 1 упражнения, используя to be past
- I was a doctor, and she was a waitress.
- They were rude to the waitress in the restaurant.
- We weren't at the class.
- Was he a student?
- It was dark at the street.
- Was she in the garden?
- How many people were there?
- I was not at the doctor.

Упражнение 3. Раскройте скобки, поставьте глаголы в present simple или present continious
- I get up every morning at 8 o'clock.
- Now she is cooking breakfast at the kitchen.
- My mom likes drinking coffee every Day, but I don't like it.
- We are going to Park at the moment.
- Steve watches tv every evening.
- I and Lucy are swimming in the swimming pool now.
- She isn't reading this book.
- I am not listening radio at the moment.

Упражнение 4. Раскройте скобки поставьте каждое предложение в утвердительную, отрицательную и вопросительную формы, используя past simple.
- I brought cakes to the party. I didn't bring cakes to the party. Did you bring cakes to the party?
- She solved all her problems. She didn't solve all her problems. Did she solve all her problems?
- They ate all pizzas. They didn't eat all pizzas. Did they eat all pizzas?
- It rained a lot. It didn't rain a lot. Did it rain a lot?