You would look better if :
Ayou cut your hair
Byou are cutting your hair
Cyou will cut your hair
Dyou would have cut your hair
Ayou cut your hair
Byou are cutting your hair
Cyou will cut your hair
Dyou would have cut your hair
Related Questions:
Identify the object of the following sentence
He had posted the letters.
''Hurrah'! He won the match.' Identify the part of speech of the underlined word.