The past tense of grind is ground.
The past tense and past participle are both ground.
The past perfect tense is 'had started'.
"Had awoken" is the past perfect tense.
The past perfect tense of begin is had begun.
The past tense of grind is ground.
The past tense of grind is ground.
The irregular past tense form of "grind" is "ground".
The three tenses of "grind" are: Present: grind Past: ground Past participle: ground
The past tense of "exist" is "existed." The past perfect tense is "had existed."
The past tense of sit is sat. The past perfect tense of sit is had sat.
The past tense of "bleed" is "bled." The past perfect tense of "bleed" is "had bled."
The past tense and past participle are both ground.
The past perfect tense is had set.
The past perfect tense is had rung.
The past perfect tense is had bathed.
The past perfect tense of "confront" is "had confronted."