'as to' 'as for'

EnglishABC

Senior Member
NZ English
Do you think all of the following are grammatical? Both 'as to' and 'as for' sound slightly awkward to my ear, but my dictionary says they can be used like this. <<SECOND QUESTION DELETED>>

a. As to the water shortage, I'm not exactly sure what you are worried about.
b. I'm not exactly sure what you are worried about as to the water shortage.
c. As for the water shortage, I'm not exactly sure what you are worried about.
d. I'm not exactly sure what you are worried about as for the water shortage.

Cheers
 
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  • bibliolept

    Senior Member
    AE, Español
    "A" and "C" sound more natural to me. I don't think "as for" and "as to" are as common in the middle or at the end of sentences, and their use seems forced in this example. Of course, these might make more sense if they were in the middle of a paragraph, within an established context.
     
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