I have a doubt about the meaning of these sentences. It's actually a sentence for my contract.

Maintenance and security services will perform by our contractors.

Maintenance and security services will be performed by our contractors.

Maintenance and security services are performed by our contractors.

Which sentence is formal to use in a contract?

  • I'm no sure if the first sentence is correct. I prefer the second sentence.
    – Archa
    Jul 2, 2015 at 15:36
  • 5
    Note that "I have a doubt" is strictly Indian English and sounds unnatural to native speakers everywhere else; you might want to rephrase more like "I'm trying to figure out the best tense for this sentence among these three". Jul 2, 2015 at 15:48
  • 1
    @Nathan: Damn your eyes, sirrah! I was just looking at that and debating with myself whether to unilaterally edit to reflect "standard English" (I have doubts...). I probably won't now - partly because it would invalidate your comment, but also because to native speakers having doubts usually implies suspicion rather than simple uncertainty or lack of understanding. Jul 2, 2015 at 16:01
  • 1
    "will be" is definite future. "are" is definite present. In the context of contract proposal you might use "are to be performed" which carries the sense that it is not the case now but that it is desired.
    – elc
    Jul 2, 2015 at 16:04
  • 1
    I don't think this should be considered off-topic for being a proofreading question. The concern is clearly identified: which verb to choose? Jul 5, 2015 at 7:38

1 Answer 1


The first sentence is not grammatical.

The second sentence is idiomatic (for contracts, especially) — it states the obligation as a virtually certain future event.

The third sentence is not necessarily wrong but isn't quite as good, as it implies that the services are already being performed.

Not the answer you're looking for? Browse other questions tagged .