"I" is a literal English equivalent of the French word Je.* The pronunciation of the first person singular subject pronoun will be "zhuh" in French.
*Other than at the beginning of a sentence, it is not capitalized in French.
"I prefer to" in French is translated as "je préfère".
Je suis... in French is "I am..." in English.
"Can I ...?" in English is Puis-je ...? in French.
"(I) am" in English is (Je) suis in French.
Je travaille! in French is "I'm working!" in English.
Je suis qui? in French means "Who am I?" in English.
Je me lève in French means "I am getting up" in English.
Que ne suis-je? in French is "What am I not?" in English.
Je le savais in French means "I knew it" in English.
"I dance!" in English is Je danse! in French.
Je suis le musicien! in French is "I am the musician!" in English.
Qui je suis, moi? in French means "Who am I?" in English.