Number 3: 2.shining. 3.making. 4.running. 5.decorating. 6.lying. 7.reading. 8.doing. 9.having. 10.wearing.
11.studying. 12.playing.
Number 4: 2). We are doing . 3).My mum is making. 4).Brenda is decorating. 5).He is studying. 6).Jake and Judy are swimming. 7).Tina is having. 8).The cat is ?. 9).They are playing. 10).Mark is running.
К сожалению в 8ом предложении не знаю,что подходит.