Past simple and past participle

grind

Grind is an irregular verb: its past simple is ground and its past participle is ground.

Base form
grind
Past simple
ground
Past participle
ground
Definition
Reduce (something) to small particles or powder by crushing it.
Example
“Grind some black pepper over the salad.”
CEFR level
C1On the CEFR scale, from A1 (beginner) to C2 (proficient).
Pattern
The past simple and the past participle are the same, like bring, brought, brought.