Как по мальчик купается в басеене а его родители смотрят за ним в в 3 временах present simple и present progressive и present perfect

The boy is swimming in the pool, parents look after him

Present simple
a boy swims in the pool and his parents watch him.
present progressive
a boy is swimming in the pool and his parents are watching him.
present perfect
a boy has swum in the pool and his parents have watched him.

кто тебе дал такое странное предложение, да ещё в pecfect