Eric left the engine <running / run> for a while

summer breeze

New Member
Hello every one.
I'd like to ask about participle.

<< --- First question here --- >>

2  a) Eric left the engine running for a while.
   b) Eric left the engine run for a while.

In each pair, I think a) is more natural, but is their any possibility that
b) is also correct (grammatically / semantically) ?
Last edited by a moderator:
  • boozer

    Senior Member
    << --- thread was split --- >>
    I find 2a natural and 2b strange - somwhow gives me the idea that the engine left the car and ran around the place. :confused:
    Last edited by a moderator:


    Senior Member
    English - British (Southern England)
    If you leave something do/doing something, you create a situation in which it is doing that thing and continues to do it. Only the -ing form is appropriate,
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