if you are happy and you know it If you are happy and you know it, clap your hands If you are happy and you know it, clap your hands If you are happy and you know it Then you really ought to show it If you are happy and you know it, clap your hands If you are happy and you know it, stamp your feet If you are happy and you know it, stamp your feet If you are happy and you know it Then you really ought to show it If you are happy and you know it, stamp your feet If you are happy and you know it, shout hurray If you are happy and you know it, shout hurray If you are happy and you know it Then you really ought to show it If you are happy and you know it, shout hurray! If you are happy and you know it, do all three If you are happy and you know it, do all three If you are happy and you know it Then you really ought to show it If you are happy and you know it, do all three!