Can I say,<br/><br/>(a) He <u><b>walked his dog for a walk.</b></u><br/><br/>(b) He w<b>alked his dog to / in</b> a garden. <br/><br/>(c) He<b><u> took his dog for a walk</u></b>.<br/><br/>(d) He<b><u> took his dog to play i</u></b>n the garden.