In English they are divided in:

Object pronouns

Subject pronouns

It = Cualquier objeto o animal que no se sabe el sexo o tiempo en el calendario y meteorológico.

Subject pronouns

It is when the pronoun is the subject in the sentences

Example:

• ​I am ill = Yo estoy enfermo

• You are tall = Tú eres alto

• ​He is handsome = Él es guapo

Object pronoun

The pronoun is before or after the verb or a preposition (for, to, with, at).

Example:

• ​I can help you = Puedo ayudarte

• Can you see him? = ¿Puedo verte?

• It is for you = Es para ti