who vs. whom
Who
Who is in the nominative case, therefore you use it in the subject position.
Example:
Who is going to the party? (Who takes the subject position)
Whom
Whom is in the objective case, therefore it takes the place of a direct object, the indirect object, or the object of the preposition.
I don't care whom you invite. (Whom takes the place of the direct object)
Exercise 1
Select the correct who or whom pronoun in the parentheses.
1) (Who/Whom) made the cake?
2) (Who/Whom) are you inviting?
3) (Who/Whom) is making the pizza?
4) (Who/Whom) did he hire to cleans the house?
5) (Who/Whom) is hosting the party?
6) He doesn't know (who/whom) he is inviting.
7) His mom doesn't care (who/whom) he invites.
8) I know the woman (who/whom is making the cake.
9) (Who/Whom) is that?
10) (Who/Whom) did the cake get thrown at?
Who is in the nominative case, therefore you use it in the subject position.
Example:
Who is going to the party? (Who takes the subject position)
Whom
Whom is in the objective case, therefore it takes the place of a direct object, the indirect object, or the object of the preposition.
I don't care whom you invite. (Whom takes the place of the direct object)
Exercise 1
Select the correct who or whom pronoun in the parentheses.
1) (Who/Whom) made the cake?
2) (Who/Whom) are you inviting?
3) (Who/Whom) is making the pizza?
4) (Who/Whom) did he hire to cleans the house?
5) (Who/Whom) is hosting the party?
6) He doesn't know (who/whom) he is inviting.
7) His mom doesn't care (who/whom) he invites.
8) I know the woman (who/whom is making the cake.
9) (Who/Whom) is that?
10) (Who/Whom) did the cake get thrown at?