The future cannot be used without using the personal pronoun.
Personal pronouns of the third person cannot be used with numbers.
Never, I once read, begin a letter with the personal pronoun.
Most of them are clearly related to the full personal pronouns.
Personal pronouns of the first and second person are placed before numbers.
For a full table and further details, see English personal pronouns.
I was obviously having trouble with personal pronouns this morning.
And you can easily use "she" as the personal pronoun.
Personal pronouns refer to a person: I go to school.
The personal pronouns in English take various forms according to number, person, case and natural gender.