My mother
My mother could talk when she was 5.
My mother could speak Russian when she was 11.
My mother couldn't swim when she was 6.
My aunt
My aunt couldn't speak French when she was 20.
My aunt couldn't drive a car when she was 17.
My aunt could sing when she was 19.
My grandmother
My grandmother could speak Russian when she was 13.
My grandmother couldn't swim when she was 20.
My grandmother couldn't read when she was 2.
