What is a pronoun used for impersonal things eg ideas or objects as in "See what I mean" or "At whatshould I aim?" or "You did what? " Whom is a personal pronoun used to represent people as in "For whom the bell tolls" or "To whom does this book belong?" Note that whom is the object case of who (and normally follows the verb) as in "Who did what to whom?" or "He chose whom he wanted."
D.O. is what or whom I.O. is to whom or for whom
Give the letter to Mary. to whom?The letter is for Mary. for whom?
whom
It is spelt "whom". It is the objective form of "who".
The indirect object in a sentence tells to whom or for whom the action is being done. It usually answers the question "to whom" or "for whom." For example, in the sentence "I gave her a book," "her" is the indirect object indicating to whom the action of giving is done.
Yes, "whom" can be the object of a preposition (for whom, with whom, of whom, etc.).
To whom it may concern Who is a subject pronoun; it is used as the subject of a verb. Whom is an object pronoun. If you find you can replace who/whom with he, she, or they, who is correct. If you find you've replaced who/whom with him, her, or them, then whom is correct.
with whom
Con quien means "with whom"
Indirect objects answer the questions "to whom?", "for whom?", "to what?", or "for what?" in a sentence.
With whom did she go with? Whom I did not like very much. I wouldn't be suprised at whom he ran away with.
"Whom" is not a substitute for "who", it's another case. "Who" is the Nominative, while "whom" is either the Dative or the Accusative.To whom do we owe this pleasure?Whom have you told so far?The girl whom I saw yesterday is her sister.