This particular word is used in many grammatical connotations. For example here one can say past perfect and say past tense. And it is used for emotional considerations. For example here one is able to say that at a perfect match. Yet the word perfect is used to describe an impossible situation. For example one is not able to say he was indulged in a perfect triumph. Therefore human beings refer to perfect in relation to angels. For example one can say that she was perfect as an angel. Yet as there is past perfect but there is no future perfect. This word is a perfect word.

DR.HASHIM S.H. BEHBEHANI