Analyze and comment on the following.Analyse the morphological structures of the following words and point out the types of the morphemes. dishearten, idealistic, unfriendly
（1）EACH OF THE THREE WORDS CONSISTS OF THREE MORPHEMES, DISHEARTEN（DIS+HEART+EN）, IDEALISTIC（IDEAL+IST+IC）, UNFRIENDLY（UN+FRIEND+LY）.
（2）OF THE NINE MORPHEMES, ONLY HEART, IDEAL AND FRIEND ARE FEEE MORPHEMES AS THEY CAN EXIST BY THEMSELVES.
（3）ALL THE REST DIS, -EN, -IST, -IC,-UN AND -LY, ARE  NONE OF THEM CAN STAND ALONE AS WORDS.
