It is they who I know.
It is they whom I know.
It is them who I know.
It is them whom I know.
Are all sentences above grammatical?
The first two sentences are grammatical. The second one is more grammatical. Look at the examples below: 1.
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The first two sentences are grammatical. The second one is more grammatical. Look at the examples below:
1. It is I who am to blame. ( not 'me' )
2. It is you who have done this. ( ' you ' is the subject form )
The antecedent of the relative pronoun after ' verb to be ' is always in the subject form when the relative pronoun is followed by a finite verb.
We can not say