"I think if we do not enough resources..."

Why use "do" instead of "have"?

"I think if we have not ..."

I didn't understand why to use "do" instead of the verb "have". Could you explain to me how to use "do" in these cases?

  • Where have you found that sentence? It doesn't seem idiomatic, it lacks a main verb. "I think if we do not get enough resources", "I think if we do not obtain", "I think if we do not have enough resources" ,... are all valid. Notice that "have" is an auxiliary verb, if it's used as the main verb [possess, own, or hold], it needs "do" to construct the negative tense
    – RubioRic
    Oct 23, 2019 at 7:57
  • Can you edit your question to enter a verb after "do not" please.
    – AIQ
    Oct 23, 2019 at 8:14
  • Thank you RubioRic for your answer! Is not an idiomatic sentence, I was talking with a person and she has corrected me in this way but I remained confused..
    – Sauras
    Oct 23, 2019 at 8:56
  • The sentence you are quoting is not anyone would say on purpose. I suspect they misspoke in the heat of the moment.
    – jwpfox
    Nov 25, 2020 at 20:58

2 Answers 2


It is an error.

The obvious correction would be "... do not have enough resources..."

Saying "... have not..." is only used when "have" is used as a helping verb in the perfect tenses. When it is a main verb, the negation is is "don't have".

  • I just do not get why people get their knickers in a twist when it's obviously a typo.
    – Lambie
    Apr 28, 2021 at 16:29
  • Because the OP isn't able to tell it is a typo. The OP thinks that "have" has been substituted by "do". In fact it there is no substitution. There is an omission. The word "have" has been omitted.
    – James K
    Apr 28, 2021 at 16:58
  • James, I meant the others, not the OP.
    – Lambie
    Apr 28, 2021 at 17:22

English has the notion of "do-support", which means {form of do} + {infintive form of verb} is used in certain situations.

Those situations are:

  • Emphasis with verbs other than to be
  • Questions with verbs other than to be
  • Use of not, with verbs other than to be.

The following "overrides" the do in these situations:

  • Modals

  • Have as part of the perfect tenses



I did go to the park today.

I would go to the park today.

He has walked to the park before.

I really am at the park (you can't use do to emphasize)



Did you walk to the park?

Would you walk to the park?

Have you walked to the park before?

Am I at the park?


Use of not:

I did not go to the park today.

I would not go to the park today.

I have not gone to the park today.

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