When do you say whom instead of who?

Answer 1

The pronoun 'who' is used as a subject pronoun.
The pronoun 'whom' is used as an object pronoun.

The pronouns 'who' and 'whom' are interrogative pronouns and relative pronouns.
An interrogative pronoun introduces a question.
A relative pronoun introduces a relative clause.

Examples:
Who is your new math teacher? (interrogative pronoun, subject of the sentence)
Mr. Smith who taught science is also teaching math. (relative pronoun, subject of the relative clause)

To whom should I give my completed application? (interrogative pronoun, object of the preposition 'to')
The manager is the one to whom you give the application. (relative pronoun, object of the preposition 'to')

Answer 2

Whom is used as the object of the suntence. Example "Whom did you see at the door?" You is the subject therefore whom is the object. Who is used as the object of the sentence. Example "Who is at the door?" Who is the subject of the sentence.
subject

Answer 3

Grammatically speaking, who is used as the subject of a sentence and whom is the object. e.g. Who are you going to visit? - who is the subject of the sentence

For whom is the party being thrown? - whom is the object

However, a good rule of thumb is that if you can replace who/whom with either "him" or "her," whom should be used. If you can replace it with "he" or "she," who is correct.

e.g. To whom is the parcel addressed? - to him; therefore "whom" is correct

I don't know who is going to dinner. - he is; therefore "who" is correct

This brings up a conflict between common use and proper use in questions such as "Who does this book belong to?" The rule of thumb answer is "to him," meaning that "whom" is technically correct, but is never used, in formal or casual writing. Therefore it is not expected to use "whom" at the beginning of a question.

Answer 4

For the most part the distinction has been lost, and "who" is largely acceptable in all cases. If you want to be a stickler, though, then "whom" should be used when you're referring to the object of the sentence, and "who" when you're referring to the subject. One way to work out which is appropriate is to answer the question or rewrite the sentence using either "he" or "him"; if the sentence works with "he" then you should use "who", and if "him" works then "whom" is the word you're after. "Who did it?" "To whom am I speaking?" "He did it." "I am speaking to him."

Answer 5

You use "whom" when it's the object, and "who" when it's the subject. One way to tell is to try substituting "he" and "him" to see which one sounds right. If the sentence makes sense with "he", you should use "who". If it makes sense with "him", you should use "whom".

Here are some examples:

Who wants Pizza?

"He wants pizza" makes sense, but "Him wants pizza" does not. This helps you know that you should use "who" rather than "whom".

Whom should we notify?

You need to change the word order for the he/him test, but it still works:

"We should notify him" makes sense, but "We should notify he" does not. This indicates that "whom" should be used.

That is the man who robbed me.

This is more complicated, but you can still see that "he robbed me" is correct, and "him robbed me" is not.

That is the man to whom I owe my life.

Changing the word order, you can say "I owe him my life", but not "I owe he my life."

Although it is technically incorrect to use who instead of whom, it is widely practiced in informal speech and often not considered incorrect in casual use. If you are unsure whether to use who or whom, using who is a safer choice. If you use whom incorrectly, some people will think you are trying to sound more educated and knowledgeable than you are.

Answer 6

It becomes appropriate to use the word whom instead of the word who when the the sentence require an objective case. The word who perceives a subject case.

Answer 7

When you say: "For whom the bell tolls."