"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 English is Je préfère... in French.
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.
Je le savais in French means "I knew it" in English.
Que ne suis-je? in French is "What am I not?" in English.
"I dance!" in English is Je danse! in French.
Qui je suis, moi? in French means "Who am I?" in English.
Je suis le musicien! in French is "I am the musician!" in English.