New Cottagers boss Hughes has so far paired captain Danny Murphy and Dickson Etuhu - who just penned a new deal - at the heart of the side.
However, Greening intends to make the most of any opportunities which come his way."I am just trying to work hard and wait for my chance to get on the field," Greening told the club`s official website.
"Danny and Dickson have been doing a good job so I`ve just got to be patient."I`m ready and I`ve got to take my chance so the manager would find it difficult to leave me out."