Is the above structure grammatically correct, or just sort of common, or not correct but common enough to use?

closed as off-topic by Edwin Ashworth, FumbleFingers, Chenmunka, tchrist, Misti Feb 26 '15 at 13:49

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  • What possible problem do you see? – user98990 Feb 25 '15 at 17:25
  • You seem to be assuming that there are eternal rules of English grammar. When an expression becomes 'common enough to use', even if the grammar involved is irregular, it becomes acceptable in some if not all registers. 'How much longer do you plan on staying' is fine conversationally. I guessed it was quite acceptable in more formal registers also, and AHDEL agrees. General reference. – Edwin Ashworth Feb 25 '15 at 17:29
  • I'm not sure what the "on" does there. I see what it does in "don't plan on [X]ing for long...", as in 'expecting', but... I'm throwing doubts around, seeing if anything sticks. Days before sending a translation for editing... – joeav Feb 25 '15 at 17:32
  • Yeah, joeav, as Mr. Ashworth mentioned - the question sounds fine, you could also say, "How much longer do you plan to continue Xing?" – user98990 Feb 25 '15 at 17:35
  • @Little Eva The default addressee is the originator of the question or answer. – Edwin Ashworth Feb 25 '15 at 17:35

OED's entry for the specific phrasal verb is definition 1e under plan...

verb, intr. colloq. to plan on
to intend to carry out (some action); to anticipate or be prepared for.

...for which their first citation is...

1914 E. R. Burroughs Tarzan of Apes xxvii. 370
She is planning on our going up there the first of the week.

It's a perfectly common usage today, and the fact that a well-known and competent writer used it over a century ago suggests to me it's pointless debating whether the usage is "grammatical" or not.

  • Yes; plan on in 'plan on going' is certainly more cohesive than boo at in 'boo at the villain'. I'm guessing that some MWVs can drop the particles, as some verb + PPs can drop the preposition. – Edwin Ashworth Feb 25 '15 at 18:14

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