Is that being a dog.中为什么is和being会同时出现?

Is that being a dog.中为什么is和being会同时出现? Is that being a cat中为什么要用being a dog is being petted adog being petted is being 和are being is being和are being的用法? 英语翻译By being yourself perhaps that is what Being a friend me being a volunteer is great sometimes people decide that being tan is better than being the dog ___ mad?A:looks B:is looked C:is being looked D:was Being cool is being popular. being cool is being popular 为什么it is not easy being a teenager,用being 而不用to be a teenage