Personal pronouns :
Used instead of a name of a person, place, object, or idea when it is clear what or who you are talking about.
Pronuns save us a lot of repetition.
Bob, Tubai and I decided that we would watch the flamingos from our terrace
Bob stayed back as the watchman did not see him
When the watchman saw Tubai and me on the terrace, he asked us to come down
The Flamingos are the beautiful birds; It’s a pleasure to watch them
Some personal pronouns serve as subjects and some of objects in sentences
Pronouns that replace subjects nouns
Subjects pronouns are : I, you, he, she, it, we they
For example : She went home
As the object of a verb or preposition in the predicate
Objects Pronouns are : me, you, him, her, it, us, them
For example : He went with her