Is this grammatical? 'Having done the procedure allowed determining certain aspects of the problem in question'

Namely, can I use the perfect gerund here if what I mean is that only after the procedure is finished can you draw any conclusion about the problem being studied. Or does it sound way too complex and I should better rephrase it and simplify the sentence?

Thanks beforehand.

  • It's hard to say if it's grammatical, because it's not a complete sentence. I could maybe see what it means, if it's part of a whole sentence, but it's definitely not clear. Can you use it as part of a sentence?
    – stangdon
    Commented Apr 12, 2018 at 12:21
  • Most people would probably say your text isn't grammatical because it features a dangling participle - we expect a valid "subject" to immediately follow the fronted clause having [done something]. Commented Apr 12, 2018 at 12:54

1 Answer 1


Your example is not grammatical.

It's clumsy and it struggles with a hanging/dangling participle/modifier.

That's to say that you don't tell us who did the procedure.

The phrase: Having done the procedure doesn't work as a subject.

You could rewrite it to read:

Having done the procedure, we/they were able to determine....

where we becomes the subject, or

Doing the procedure allowed us/them to determine....

where the phrase Doing the procedure becomes the subject, or

you could rephrase it completely

We/they were able to determine certain aspects of the problem in question by doing the procedure.

  • "Having done the procedure allowed for determining certain aspects of the problem in question" would be OK, though definitely not the best phrasing to use.
    – user3169
    Commented Apr 12, 2018 at 22:14
  • @user3169 What you suggest is not a sentence. It contains neither a subject nor a verb. Commented Apr 12, 2018 at 23:21

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