Чем отличается past simple, от past continuos? мне надо объяснить предложение: she has already red this article!

Past Simple - событие, действие или состояние в указанное время в действие, происходившее в определённый момент или в определённый отрезок времени в Мне надо объяснить предложение: She has already reаd this article! Present Perfect - событие или действие, произошедшее до настоящего момента.

Здесь вообще-то present perfect!!

I used to have a dog when I was a child
He used to be noisy when he was young
She used to go to the country when she was 7
I used to walk many years ago
They used to drive fast when he was 20
Did you use to have a dog?
Did she use to go to the country?
Did he use to drive fast/
Did they use to walk 5 years ago?
Did you use to play tennis 5 years ago?
I didn't use to walk when I was 5
He didn't use to drive when he was 18
She didn't use to go to the country when she was 7
My mother didn't use to play tennis when she was a pupil
He didn/t use to have a dog

1. At break time my classmates and I usually talk with each other and play some games.
2. My parents have different hobbies: my father likes photography, and my mother enjoys reading novels.
3. Look! The cat is sitting near the cottage.
4. This month the builders are painting our house, so we don’t live there.
5. — Where is John? I need to talk to him. — He is having lunch in that cafe. —
Does he always eat there? — Yes, he does.
6. Nancy is working so hard this month because she wants to get more money.
7. — Are you drinking coffee? — No, it's tea. I don’t like coffee.
8. There is a tradition in our family: every Saturday we have a barbeque! First, we go to the shop and buy some meat. Then my mother makes some snacks. My father cooks meat while my brother and I play games and listen to music.