I'm not really sure what I should use in this case, normally I can identify the difference but this time for some reason i cannot.

sentence: "In this function stringify and parse is necessary"

Is necessary or Are necessary

  • (2) Is 'stringify and parse' regarded as two separate entities (John and Lucy; an apple and an orange) or a composite (rhythm and blues; fish and chips)? And (1) are you a synesis believer? I suppose (0) what POSs should we ascribe to 'stringify' and 'parse' (or the compound 'stringify and parse'?) here? and (0') Is the string acceptable? are also necessary. – Edwin Ashworth Aug 22 at 18:39
  • @EdwinAshworth I think they should be separate entities. I don't really know what synesis means. And I need to use 'stringify' because its basically a function I need to call in a programming language and stringify is it's name. – Caíck Aug 22 at 18:40
  • You seem to be using 'stringify' and 'parse' (or 'stringify and parse') as labels. This converts them to nouns, as in 'A and * are not working' or 'Fish and chips is on the menu'. This question is then a duplicate. – Edwin Ashworth Aug 22 at 18:44
  • 2
    Possible duplicate of Agreement With Compound Subjects Joined by And – Edwin Ashworth Aug 22 at 18:45

If you are talking about a singular operation (stringify and parse), then you would use "is".

In this function, stringify and parse is necessary.

If you are talking about two operations (stringify and parse), then you would use "are".

In this function, stringify and parse are necessary.

It is likely that you mean the second.

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