You are certain/certainly right. 选哪个 跪求!马上啊!

You are certain/certainly right. 选哪个 跪求!马上啊! 为什么是are you certain 不是are you certainly certainly.here you are you are certainly right,_______ others may say.选择whatever.为什 for certain=certainly吗? They are certainly heroes,这句为什么不用certain,不是形容词修饰名词么? all right,you are right, you are right you are right both you are right you.are right. yes,you are right. Are you right