can someone help me write a narrative essay using the pronoun I with 3 to 10 pages and 750 to 2500 words

First you need to think of a story you want to tell. It could be an adventure, or an emotional experience, or a sad event, or a joyous occasion.

These sites should help you.

http://www.rscc.cc.tn.us/owl&writingcenter/OWL/Narration.html

http://papyr.com/hypertextbooks/comp1/narrativ.htm