Необходимо преобразовать предложения, используя Present Continuous (Continuous), где действие происходит прямо сейчас. Для этого используем вспомогательный глагол 'to be' (am, is, are) + глагол с окончанием -ing.
you / watch a video (?)
You are watching a video.
the boys / play soccer (x)
The boys are playing soccer.
the children / sing a song (v)
The children are singing a song.
he / talk on the phone (?)
He is talking on the phone.
I / play computer games (x)
I am playing computer games.
Ответ:
You are watching a video.
The boys are playing soccer.
The children are singing a song.
He is talking on the phone.
I am playing computer games.