Third-person singular simple present indicative form of happen.(verb)
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Use "happens" in a sentence
"But this is a real story, so, of course, I can't put in anything only just what happens; and _nothing happens_."
"Whatever happens here, it would be better not to acquaint the police -- _whatever happens_, "he added with emphasis."
"We have come to understand that the idea of bipartisan compromise has died a lingering and painful death unless the term happens to refer to Lindsay Graham, who for a while kept the “bi” in “bipartisan,” appearing to have previously been—at least as far as I can ascertain—the sole Republican on board with both the immigration and climate change bills."