Use I when the pronoun is the subject of the sentence - when the pronoun is who the sentence is about.
Use me when the pronoun is in an object position, like a direct object or object of the preposition.
I do things. If you are doing the verb in the sentence, choose I. Otherwise, choose me.
Trick: If you want to decide between "John and I" or "John and me", cover up the name John. Then decide if you should use I or me.
______ ran really fast yesterday.
Are we looking for the subject of the sentence, for who ran?
YES. So we use the subject pronoun "I".
I ran really fast
yesterday.
back to Pronouns
Barney wanted to play with ______.
Give that to Jerry and ______.
Use the trick. Cover up the name Jerry.
Would you say "Give that to me" or "Give that to I" ?
The object pronoun "me" should be used.
Give that to Jerry and me.
Jerry and ______ went to the store.
Use the trick. Cover up the name Jerry.
Would you say "I went to the store" or "Me went to the store"?
The subject pronoun "I" should be used.
Jerry and I went to the store.
Are we looking for the subject of the sentence, for who wanted to play?
NO. Barney is who this sentence is about. Barney is the subject.
Are we looking for an object job, like a direct object or object of the preposition?
YES. With is a preposition, so the blank would be the object of the preposition. Since it's an object job, I need the object pronoun "me".
Barney wanted to play with me.