Can someone please explain to me the role and function of the word do in this sentence?

But advertisements do not only give information, they also try to influence our emotions.

  • Hey, I think this question would get better answers over on our sister site, English Language Learners. I've voted to move it there for you.
    – Dan Bron
    Commented Sep 28, 2015 at 12:16
  • Suggested reading: en.wikipedia.org/wiki/Do-support Commented Sep 28, 2015 at 12:41
  • The reworded question can be answered here. The sentence can be better phrased without do. So, it's the usage of not only... but also.
    – Maulik V
    Commented Sep 28, 2015 at 12:47

1 Answer 1


The negative of "gives" is {do/does} not give. In English you cannot just say {he/she/they/it} not give(s).

Negative constructions normally, generally, usually require do support, which Damkerng supplied a link to explain:


Please read that article.

But, as Maulik pointed out, your example is a case of the "not only.....but also..." which does not require do support.

(Note bolded example of do support in the sentence above!)

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