Could/Couldn´t

She _______________ write when she was one year old.

Peter ___________________ speak when he was eleven years old.

I ________________ walk when I was five years old.

Louis ____________________ play the piano when he was two months old.

Rick was born in Italy, he _________________ speak english when I was two years old.

Samantha ________________ eat alone when she was eight years old.

I ________________ ride a bike when I was one year old.

Mary _______________ work as teacher, because she didn´t like children.

Bill ____________ work as comedian because he likes telling jokes.

I _________________ do homework because I didn´t have much time.