Past Tense of “come”
The past tense of come is came; the past participle is come.
Why “come” behaves this way
"Come" descends from Old English "cuman." Its ancient Germanic ablaut class swapped the root vowel for the past tense (cuman to c(w)om, later "came") but left the participle sitting right back where it started — a genuine zero-change participle, the same pattern seen in "become" (became/become) and "overcome" (overcame/overcome), both of which are simply "come" with a prefix attached and inherit its exact conjugation.
Zero-change participles like "come" are rare in English precisely because most strong verbs marked their participle with either a distinct vowel grade or an -en suffix (as in "take/taken"); "come," "run" (technically run/ran/run), and "become" are among the small handful where the participle circled back to match the base form exactly, which is part of why the participle "come" is so easy to mistake for the base form in fast speech.
The common confusion
Because the participle "come" is spelled and pronounced identically to the base form, the real point of confusion is realizing that "come" (not "came") is required after have/has/had ("she has come," never "she has came") — an easy slip precisely because the base and participle look the same and the instinct is to reach for "came" out of habit.
How it's actually used
"Come" and "go" split by the same point-of-view rule that governs bring/take: "come" describes movement toward the speaker's location (present or the location under discussion), while "go" describes movement away from it — which is why English says "I'm coming!" when someone calls you over, using "come" (toward the listener's location) rather than "go," a small but genuine grammatical distinction many other languages don't make the same way. "Come" also appears in the fixed construction "come to + verb," describing a gradual realization or change of state rather than physical movement — "I came to regret it," "she came to see his point" — a metaphorical use of arrival to describe an emotional or intellectual destination rather than a literal one.
Across the tense system
"Come" forms a large family of phrasal verbs across the tenses that shift meaning substantially from the base sense of physical arrival: "come across" (encounter, or seem), "come up with" (invent), "come down with" (fall ill) — each conjugates identically to plain "come" (came/come) but has to be learned as its own separate unit of meaning.
Common real mistakes
A common error is "have came" instead of "have come," produced by the same instinct that causes "have went" and "have saw" — reaching for the simple-past form after a helping verb instead of the correct participle, which for "come" happens to look identical to the base form and so feels unfamiliar as a participle. A further point of confusion is "come" versus "become" in contexts describing change over time — "it came clear" instead of the correct "it became clear" — since "come" alone describes arrival or occurrence, while only "become" (its own prefixed relative, sharing the identical came/come conjugation) properly describes a transition into a new state. A further genuine mix-up is "come" versus "arrive," which overlap closely but differ in formality and in whether a preposition follows directly: "arrive at the station" is standard, while "come at the station" sounds distinctly off; "come to the station" is the version that actually works, since "come" requires "to" where "arrive" takes "at" or "in" directly.
Examples
- She came to visit last weekend.
- They have come a long way since we last spoke.
- He comes here every morning.
- We had come to the same conclusion independently.
- It would have come as a surprise to anyone.
- Has she come back yet?
- Everything comes together in the end.
- She's coming around to the idea.
Memory trick
"Come" never changes for the participle — after have/has/had, resist the urge to reach for "came"; the word you want is the plain base form, "come," just like "become" and the equally zero-change "run." Remember that "come" always pairs with "to," never "at," before a destination — "come to the station," matching "arrive at" only in meaning, not in the preposition it takes.