I got two sentences that sound similar and correct in some sense. One of them however should be wrong:

"I accompanied him here because his health was not good at that time."

"I accompanied him here because of his health was not good at that time."

Most sources indicate that because of should be used with a 'ing verb' following it. This source suggests that because of can be used in conjunction with "illness" which to my knowledge is not even a verb. My reasoning for why the second example is correct lies in the fact that "health" is the antonym of "illness" and would act symmetrically.

One reason why example 1 to be correct is that it contains a subject ("his health") and a verb ("was") following because.

Can both these forms be grammatically correct or is one wrong?

  • 1
    You are applying rules mistakenly. #1 needs a comma to separate the two clauses, and there is no 'ing verb'. "Because of health' and 'was' clash in #2. Sep 21, 2020 at 15:08
  • 1
    Does this answer your question? Use of "because of"
    – Mari-Lou A
    Nov 25, 2020 at 11:22

2 Answers 2


Because of needs a noun phrase, as the link you refer to explains. ...Because of his health not being good at the time would be grammatical, but sounds clumsier than your first sentence.

  • In other words, the verbatim example in my question is wrong either way because it is missing a noun phrase? Or to the fact that the sentence is followed by a complete clause. Sep 21, 2020 at 15:27
  • Your second sentence is wrong because a noun or noun phrase is needed after because of. We would say Because he was ill (clause) or because of his illness (noun). Sep 21, 2020 at 15:35

The second sentence is not correct. It becomes correct once you remove the preposition "of", which results in the first sentence, which is correct.


"Because" is a conjunction, therefore it is used to introduce clauses. "Because of" is a preposition and that means that it introduces noun phrases and verb phrases. Therefore, you could say "I accompanied him here because of his health being not good at that time." as "his health being bad is a nominal clause (functions like a noun).

  • He si sick because of he went out in the cold.
  • He is sick because of his going out in the cold.
  • could you give a reason? I'm also curios as to why my explanation for the second sentence is wrong. Sep 21, 2020 at 15:18
  • @SilverFlash I just added something to the answer. If anything is still not clear I'll try to clarify things for you.
    – LPH
    Sep 21, 2020 at 16:18

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