b. those who he thought were guilty. Step 1 - those who (he thought) were guilty. Step 2 - those who were guilty (he thought) Step 3 - those who were guilty, he thought (nominative) a. those whom he thought were guilty. This supposes that "to think" is being used transitively. It seems doubtful in this case.
Relative pronouns (who, whoever, whom, whomever, that, what, which, when, where, and whose) introduce relative clauses and can stand alone as the subject in a sentence. Practice what you have
There are really two questions here. One is whether who may have a plural referent, and the answer is Yes, as either a relative or an interrogative pronoun:. Those who are here are the best.
To begin, the simplest way to determine the correct word is to replace “who” or “whom” with the same part of speech. Try another object pronoun (also called objective pronoun) or subject pronoun (also called subjective pronoun). See if you can substitute the mystery word for either “he” or “him.”. When you can replace the word
4. Use commas to set off nonrestrictive clauses. Rule: Use commas to enclose clauses not essential to the meaning of a sentence. These nonessential clauses are called nonrestrictive. Clauses which are essential are called restrictive. Both restrictive and nonrestrictive clauses may begin with a relative pronoun (such as who, whom, whose, that
1. Use that and which for things, and who for people. 2. After a preposition, use which (things) and whom (people). Note the word order. 3. If you put an adjective after the noun it describes, then this adjective should normally be introduced by that, which or who. 4. Whose indicates possession.
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whom whose who usage