Subject of the verb:
* I went to the store. ("I" is the subject of the verb "went")
* We are going to the movies. ("We" is the subject of the verb "are going")
* He loves to play basketball. ("He" is the subject of the verb "loves")
* She is a talented artist. ("She" is the subject of the verb "is")
* It rained all day. ("It" is the subject of the verb "rained")
* They are coming to visit. ("They" are the subject of the verb "are coming")
After the verb "to be":
* It is I who baked this cake. ("I" is the pronoun after "to be")
* The winner is she. ("She" is the pronoun after "to be")
* That was he at the door. ("He" is the pronoun after "to be")
In compound subjects:
* You and I should go to the park. ("You" and "I" are both subjects of the verb "should go")
* He and she are a great team. ("He" and "she" are both subjects of the verb "are")
Remember: Nominative pronouns are used when the pronoun is the subject of a verb or follows the verb "to be." They are not used as objects of verbs or prepositions.