Inchoateknowledge wrote: |
Pastsimple wrote: | Answer to the second question: definitely which. What doesn't make sense here at all.
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What I must do is write a letter (correct) = Write a letter is what I must do (correct) = I could have come, what I wanted so much.
I see analogy between the two examples.
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Hi Inchoateknowledge
What I must do is write a letter. (OK)
What I must do is to write a letter. (OK)
Write a letter is what I must do. (wrong)
To write a letter is what I must do. (OK, very formal)
Writing a letter is what I must do. (OK)
I could have come,
which I wanted so much. (The antecedent is the entire main clause.)
Both the full infinitive (to hear) and the gerund (hearing) can be the subject of a clause:
To hear him sing is an unforgettable experience.
Hearing him sing is...
People usually say it with a preparatory
it:
It's an unforgettable experience to hear him sing.
Cheers
CB