Помогите 1 неделю болела и сейчас не врубаюсь

My brother read a book yesterday.
My brother didn't read a book yesterday.
Did my brother read a book yesterday?
My brother has already read a book.
My brother hasn't read a book yet.
Has my brother already read a book?
My brother visited his friend last week.
My brother didn't visit his friend last week.
Did my brother visit his friend last week?
My brother has just visited his friend.
My brother hasn't visited his friend.
Has my brother just visited his friend?