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Bepleased Posted 14 years ago
Vocabulary

I know this for a fact.

Hi,Could any one clear up my conundrum?In the following sentences what do the two for mean?I'll be very grateful. ( 1 ) I know this for a fact.( 2 ) I know you for a thief and a liar.
  

Top answer

1. ", has idiomatic status in English, and people say this like a kind of expression. 2.

  • 1.
  • ", has idiomatic status in English, and people say this like a kind of expression.
  • 2.
  • Again this can be a prepositional phrase, "for a thief and a liar," which functions as an adv.
  • " This also has something like idiomatic-like status in English and might be used as a set expression.
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1 Answers
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1. This could be looked at an a prepositional phrase, "for a fact," which functions as an adverb modifying the verb "know." So you have essentially: "I for a fact know this." Also the whole thing, "I know this for a fact.", has idiomatic status in English, and people say this like a kind of expression.

2. Again this can be a prepositional phrase, "for a thief and a liar," which fun

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