I

я

The speaker or writer, referred to as the grammatical subject, of a sentence

• I have to do it.

  Мне надо это сделать.

  Tatoeba · CK · CC BY 2.0 FR

• I did this for you.

  Я сделал это для тебя.

  Tatoeba · CM · CC BY 2.0 FR

я

The speaker or writer, referred to as the grammatical object, of a sentence