Past Tense of “shut”
The past tense of shut is shut; the past participle is shut.
Why “shut” behaves this way
"Shut" comes from Old English "scyttan," related to "shoot" through a shared Germanic root involving the idea of a bolt or bar being shot or driven into place to close something. Its conjugation has stayed frozen at shut/shut/shut since at least Middle English, and its core meaning — closing something, often decisively — has stayed essentially unchanged for centuries.
The etymological link to "shoot" makes intuitive sense once pointed out: an old-fashioned door bolt is literally "shot" into its closed position, and "shut" preserves that same underlying image of a decisive, mechanical closing action, distinct from the softer, more general "close," which can describe a much wider range of gradual or gentle closing actions. Retail and hospitality writing distinguishes "temporarily shut" from "permanently closed," a meaningful distinction for customers trying to determine whether a business might reopen.
The common confusion
The spelling of "shut" is settled no matter the tense, so any real confusion here is about tone rather than grammar: it usually lands more forceful, abrupt, or informal than its near-synonym "close," and the two aren't fully interchangeable — "shut the door" reads plainer than "close the door," and the idiom "shut up" has no equivalent version built on "close" at all.
How it's actually used
"Shut" appears in everyday commands and instructions ("shut the door," "shut it down"), business contexts (a factory being "shut down"), and a wide range of phrasal-verb idioms ("shut up," "shut off," "shut out," "shut in"), each carrying a distinct meaning built on the same core sense of decisive closure. Computer systems use "shut down" as a precise technical phrase distinct from simply "sleeping" or "restarting," each describing a different power state with different practical consequences. A door shut too forcefully in an old house can rattle windows two rooms away. A small-town diner that shut early one Tuesday drew more complaints than the owner ever expected. A library that shuts promptly at closing time still gives patrons a generous ten-minute warning beforehand. A stubborn old window painted shut for decades finally gave way after a firm, steady push. A heavy vault door shuts with a distinctive, reassuring thud that bank employees say they never quite get used to. A tired shopkeeper shut the register early on the slowest night of the year. A weary night manager shut the last register just as the clock struck midnight.
Across the tense system
Because "shut" never changes form, "she shuts the shop at six" (present) and "she has shut the shop early all week" (present perfect) share identical spelling, relying entirely on subject agreement and auxiliary verbs to mark tense. Government shutdown coverage relies heavily on the passive "was shut down" to describe furloughed agencies, a construction distinct from an active decision framed around a single named actor.
Common real mistakes
Watch for "shutted" creeping into very early learner writing — fluent adult speakers essentially never produce it, since this is one of the more stable and frequently reinforced zero-change forms in the language. A further point: "shut" and "shut up" carry very different registers, with the latter widely considered rude in most contexts despite sharing the same base verb. Writers should be careful distinguishing "shut in" (trapped or confined) from "shut out" (excluded), two phrasal verbs built on the same base but carrying nearly opposite meanings.
Examples
- She shut the window before the storm rolled in.
- The factory has shut down operations for the holiday.
- He shut himself in his office to finish the report.
- They shut the gate firmly behind them as they left.
- The store shut its doors permanently after forty years in business.
- Half the office had to be shut down early because of the heat wave.
- Heavy snow shut in the entire mountain village for nearly a week.
- A heavy barn door shuts with a satisfying, final-sounding thud on cold mornings.
Memory trick
Picture an old-fashioned bolt being shot decisively into place — that's the etymological image baked into this word, and it never changes shape across any tense: shut, shut, shut.