The given sentence is-

'As no one knows the truth as fully as him, no one but him can provide the testimony.'

As far as the highlighted part is concerned, I improved it as-

'As no one knows the truth as fully as he does, no one but he alone can provide the testimony.'

What's is wrong in the above sentence? I am struck.

  • Change the first word from As to Since and there's no problem. Three different uses of as, one a conjunction, and the others part of an equative construction. This poses problems since it's not obvious which as's are relating to which other as's. In speech, intonation could be used, but changing as to since gets rid of the confusion. Since is far more common than as in this construction, anyway. Oct 1 '15 at 13:27
  • @FumbleFingers There is but which can be a "a preposition" A bit different element from the link.
    – user140086
    Oct 1 '15 at 13:43
  • @Rathony: I don't see the relevance of but used as preposition to the as [adjective] as [noun] construction being queried by OP here. But I do see the relevance of the duplicate question I linked to. Oct 1 '15 at 14:51
  • @FumbleFingers What I meant was **but"" seems to have caused him a confusion here unlike your link. I am not saying it is completely different.
    – user140086
    Oct 1 '15 at 15:01
  • @Rathony: Per my comments to egrunin's post, this question is about accusative / nominative pronouns (him/he), not but. Oct 1 '15 at 15:48
  • Omit needless words.
  • Make the second clause a consequent of the first.
  • Use parallel construction for reinforcement.

No one else knows the truth as fully, so no one else can provide the testimony.

  • This is "peripheral writing advice", not an answer to the question as posed. Oct 1 '15 at 14:53
  • The subject is 'sentence improvement', the question is 'what is wrong?'. I gave an example of how it might be improved, and explained what I felt was wrong.
    – egrunin
    Oct 1 '15 at 14:54
  • The question tags are pronouns and sentence-structure (I don't think 'sentence improvement' would be accepted as an ELU tag). Essentially, OP is asking about the difference between as X as he [is] and as X as him. Sidestepping the issue by rephrasing might be a useful comment, but it's not an answer in this context. Oct 1 '15 at 15:42
  • Ah, I see what you mean.
    – egrunin
    Oct 1 '15 at 23:02

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