Поставте подані речення у заперечну та питальну форм: 1) they are wearing heavy jackets. 2) you are making a sandcastle. 3) she is decorating the christmas tree. 4) it is raining today. 5) i am going on a picnic. 6) he is playing football now. 7) they are listening to music. 8) we are swimming at the moment. 9) he is sunbathing now.