Help with Shakespearean sonnet?

I need to write a sonnet as-though i am Romeo and explaining my love for Juliet. I have decided i am going to do it at the point where Romeo is at the balcony, looking upon juliet. the first 8 lines have to be how i feel, the next 4 how I'm worried about what may happen and the last 2 what i hope for the future. im no good with Shakespeare language so much help as possible please!