inform of, come to know something or aware of You are informed of something In this case, you got information from someone or something, for example another person or a letter You come to know something In this case, you didn't know something, and now you do You are aware of something In this case, it is just something that you know They are not really interchangeable, though its possible in some context
Difference between inform of and inform that If you have a verb like "to inform someone of <something>" and change the construction using a that-clause, the preposition (of etc) is dropped The prepositions remain before clauses with "what" I informed her that I was unwell and could not come to her party He informed us of what had happened
difference - Inform about vs Inform of vs Inform on - English . . . In the active voice "Inform on" is strongly associated with the meaning of criminal implication given above However, in the passive it merely indicates an area of coverage For example, "He is well informed on a wide variety of topics " simply indicates a person whose knowledge covers many areas
grammar - At no time, was I informed - looking for an explanation . . . B At no time was I informed was is an auxiliary verb, not a lexical one In this example, the subject and the auxiliary verb have been inverted Among other uses of subject–auxiliary inversion is the formation of sentences beginning with a negation, as in the following (b) examples from Wikipedia a Sam will relax at no time b