Hi Pingk, here is a link to a website that might be helpful, it helped me a lot for drawing eyes http://www.onlypencil.com/blog/tutorials/drawing-the-human-eye/
Have a great day
I gave you some suggestions to try when you asked for help with that one ... similar suggestions will work here too.
Look forward to seeing it finished
There are two ways of spreading light: to be the candle or the mirror that reflects it. Edith Wharton