Нужно сделать вопросительную форму, например: Ron is visiting his grandmother right now? Вопрос нужно поставить к слову his grandmother
2.The children are playing outside at this moment. ? к outside
3We are playing tennis today after school, ? к after school
4Look! The dogs are lying under a tree, ? к Under a tree

1)Whom did Ron visit right now?2)Where the children playing at this moment?3)Wenn we are playing tennis today?4)Where the dogs are lying?