Упражнение Present Perfect Progressive 2

MODEL: Vera did athletics last year.
Vera has been doing athletics since last year.

My sister used this shampoo two years ago.
He often skipped breakfast when he was a student.
My aunt ate a lot of chocolate in her childhood.
Nick cleaned his teeth with a new toothpaste yesterday.
I prepared for the English exam last week.

My sister has been using this shampoo for two years.
He has been skipping breakfast since he was a student.
My aunt has been eating a lot of chocolate since her childhood.
Nick has been cleaning his teeth with a new toothpaste since yesterday.
I have been preparing for the English exam since last week.