learned to swim
He learned to swim.
Tom ha imparato a nuotare quando aveva tre anni.
Tom learned to swim when he was three years old.
Tom ha imparato a nuotare tre anni fa.
Tom learned to swim three years ago.
Mary ha imparato a nuotare quando aveva tre anni.
Mary learned to swim when she was three years old.
Tom ha imparato a nuotare da suo padre.
Tom learned to swim from his father.
Tom ha imparato a nuotare due anni fa.
Tom learned to swim two years ago.
When did he learn to swim?