Past Tense of “sweep”
The past tense of sweep is swept; the past participle is swept.
Why “sweep” behaves this way
"Sweep" comes from Old English "swapan" (to sweep, brandish, or drive violently), a verb that was once strong (ablaut-based) but became weak over the Middle English period, developing the dental preterite "swept" through the same vowel-shortening mechanism that produced "keep/kept" and "sleep/slept." This makes "sweep" an interesting hybrid case: it started life as a genuine ablaut strong verb, unlike "sleep," but ended up in the identical modern shortening pattern anyway after losing its original strong conjugation.
The verb's older, more violent sense of "driving forcefully" survives today in figurative uses like "a wave of panic swept through the crowd" or "the fire swept across the hillside," both of which describe forceful, rapid, uncontrolled movement rather than the tidy, deliberate motion of sweeping a floor — a meaning closer to the word's ancient root than the everyday household chore sense most speakers think of first. The noun "sweepstakes," a lottery-style prize drawing, preserves a related older sense of "sweeping" the entire pot of stakes in a gambling game, a specialized gambling term now used mostly for promotional prize giveaways rather than actual wagering. The compound noun "chimney sweep," describing the traditional profession of cleaning soot from chimneys, preserves the most literal, oldest sense of the verb in a single fixed occupational title still recognized today even where the trade itself has largely disappeared.
The common confusion
The main confusion for learners is producing the overregularized "sweeped," especially common in sports writing ("the team sweeped the series") where writers unfamiliar with the correct irregular form default to the regular pattern. A second, more subtle confusion involves distinguishing the literal cleaning sense from the sports sense (winning every game in a series), both of which use the identical past tense "swept" but describe entirely unrelated activities. A third confusion involves the fixed idiom "sweep under the rug," describing concealing a problem rather than solving it, which some writers mistakenly render as "swept under the carpet" without realizing both versions are actually standard, one simply more British and the other more American.
How it's actually used
In sports journalism, "sweep" describes winning every game in a series or every event in a competition, a specialized figurative sense so common in American sports writing that headlines like "Yankees Sweep Red Sox" appear constantly, using the verb's core sense of a total, comprehensive clearing action applied metaphorically to a decisive, comprehensive victory. It also appears in electoral journalism describing a party winning every available seat or race in a given election, extending the same idea of total, comprehensive dominance from sports into politics.
Across the tense system
The passive voice is extremely common with both the literal and figurative senses — "the floor was swept before guests arrived," "the region was swept by wildfires," "the election was swept by a single party" — since sweeping so often describes something happening across or through an area or group rather than emphasizing a single specific agent. The perfect tense with "has swept" also appears constantly in trend and news reporting, describing a phenomenon spreading widely up to the present moment, as in "a new fashion trend has swept college campuses this year."
Common real mistakes
The most common error is "sweeped," seen disproportionately in sports writing and casual online contexts, a genuine and persistent overregularization despite "swept" being one of the more frequent irregular verbs in everyday English. A second error is confusing "swept" with the unrelated "swopped" or "swapped" in fast typing, two words with a similar vowel sound but no etymological connection. A third error involves the fixed idiom "sweep someone off their feet," occasionally misquoted with an incorrect tense mismatch, such as "she was swept off her feet" mistakenly written as "she was sweeping off her feet," which changes the meaning from a completed romantic effect to an odd, ongoing physical action.
Examples
- She swept the kitchen floor before dinner.
- The team swept the entire series without losing a single game.
- Panic swept through the crowd when the alarm sounded.
- Wildfires had swept across the region before firefighters arrived.
- He swept the crumbs off the counter with one motion.
- The new policy has swept through nearly every department.
Memory trick
Group it with "keep/kept" and "sleep/slept": all three shorten their vowel and add a plain "-t" in the past. Remember "sweep" started life as a genuine ablaut verb before joining this shortening family, giving it an unusually mixed history for such a common, everyday word describing an unglamorous chore.