Fell vs. Fallen
“Fell” and “fallen” are different forms of the irregular verb “fall.” “Fell” is the simple past, while “fallen” is the past participle used in perfect constructions.
Use “fell” for the simple past and “fallen” as the past participle, especially after have/has/had.
Key details
Choose the right form
| Meaning / situation | Form / construction | Decision |
|---|---|---|
| simple past of fall | fell | Use without have/has/had for a completed past event. |
| past participle of fall | fallen | Use with an auxiliary such as have/has/had, or in participial constructions. |
Quick tests
Meaning / construction test
Is the form following “have,” “has,” or “had,” or otherwise functioning as a past participle?
If yes: Use “fallen.”
If no: For the simple past, use “fell.”
Caveat: This is an inflectional distinction: “fell” is past tense and “fallen” is the past participle.
Examples
The temperature fell overnight.
“Fell” is the simple past of “fall.”
The temperature has fallen sharply.
“Fallen” is the past participle after “has.”
Several branches had fallen across the path.
“Fallen” follows the past-perfect auxiliary “had.”
Further guidance
Core difference
“Fell” is the simple-past form of “fall”; “fallen” is the past participle used with auxiliaries such as have, has, or had.
Fast Test
If have, has, or had directly governs the form of “fall,” choose “fallen.” For a standalone finite past-tense verb, choose “fell.”
Sources and evidence
Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.
- fall — Cambridge Dictionary (opens in a new tab)Cambridge Dictionary · Cambridge lists fell as the past tense and fallen as the past participle of fall.