Выполнить по . : write what is possible (impossible ) for you or somebody else to do (not less than 6 sentences ).

For me everything is possible. It's possible for me to learn English for six months. And it's possible for me to become excellent pupil. It's possible for me to write a good book. It's possible for me to speak in English as American. It's possible for me to understand the works of Dostoevsky.