I -----(try) to climb the tree,but I can't 此处填单词的什么形式

I try try to I want to try try I try to believe I try to love i try to I try and try to understand try,to,like,would,i I want TO Try Change i try to fly with I try to be no. I try not to cry i try to love much I always try to be I try to study well I try to say dad I dont why I have to try I want to try to change their.. I want to try to change their..