run is required the present perfect requires the infinitive, not the past tense
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Grammar GeekFunny typo
I haven't sung that particular song in hears.
Grammar GeekI'm not good at the names of things, but don't you mean it requires the past participal, rather than the inifinite?Stupid error on my side, guess I was ready to take my nap: of course it's the past participle which is required in the present perfect.