By the age of fourteen John could speak two foreign languages perfectly well.
Could you use a mobile phone when you were four?
When my mum was a little girl she could swim well.
Would you like to be able to use Internet?
Do you know someone who can do yoga?
Jane would like to read this book from cover to cover/
At what age were you able to borrow the books from the library?
Nobody is able to climb trees at the age of three.