Past Tense of Grind
For the ordinary verb “grind,” the standard simple past and past participle are both “ground.” The principal forms are grind, ground, ground.
Use “ground” for both the simple past and the past participle of “grind” in standard general English.
Key details
Further guidance
Core difference
“Grind” is irregular in standard general English: the past and past participle are “ground.”
Fast Test
For a completed past action or a perfect construction, use “ground”: “They ground the beans”; “They have ground the beans.”
Usage Boundary
This page gives the standard general inflection and does not treat specialized slang or brand-specific forms as competing standard principal parts.
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.
- grind — Cambridge Learner’s Dictionary (opens in a new tab)Cambridge Dictionary · Ground as the standard simple past and past participle of grind