Please identify and explain error in the following sentence

After knowing truth , (1)/they took the right decision (2) / in the matter (3)/No error (4).

Also , Is it correct to use 'ing' form of 'know' here?

  • I'm confused. Is your question something about using "the," like your title says, or is it something about "knowing"? What do all the numbers mean? Dec 19, 2017 at 3:29
  • It is about both of them. Numbers are used just to indicate parts of the sentence and we have to identify which part has error
    – Sanat
    Dec 19, 2017 at 3:37
  • Related: ell.stackexchange.com/q/102365
    – ColleenV
    Dec 19, 2017 at 4:21
  • the truth...?
    – Maulik V
    Dec 19, 2017 at 4:44
  • There are a number of errors in the sentence -- in fact, I'd go so far as to say all three sections are wrong. It's kind of useless to pick apart a sentence that's not idiomatic, as it won't help you learn English.
    – Andrew
    Dec 19, 2017 at 5:22

1 Answer 1


As you are talking about a specific matter of truth, you should use the definite article "the" before the noun truth. Further, the right phrase is to decide on something, not in something. So the phrase should be "on the matter". The complete sentence is as follows:

After knowing the truth, they took the right decision on the matter.

As for the use of the present participle knowing, you can use it after after to express that one action was after another action. You can also use the phrase "having known" as follows, but it's more emphatic:

Having known the truth, they took the right decision on the matter.

  • +1 for all but the final sentence, with having known. I don't find "having known" idiomatic in this context. having known usually means "having experienced" Having known hunger as a child, she always kept her pantry well stocked.
    – TimR
    Dec 19, 2017 at 11:48
  • @Tᴚoɯɐuo, I respect your comments.
    – Khan
    Dec 19, 2017 at 12:26

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