Сделай эти предложения вопросительными: he can open the door. they can jump. i can help my mother. his brother can read.

Can he open the door? Can they jump? Can I help my mother? Can his brother read?

Can he open the door? Can they jump? Can I help my mother? Can his brother read?

Правило. При составлении вопроса с can, can ставится на первое место. Например: Can she sing?