改错,1.we are tired ,so wr want to have rest. 2.if you want to

we are tired ,so we want to have a rest。     ( have rest -> have a rest )if you want to stay healthy ,you must take some exercise。 (  health-> healthy ) 再问： 只追问一下，为什么health改为healthy 再答： stay 作为系动词后接形容词作表语。