The Verb "Grind" in English

Conjugation of "To Grind"

The verb "grind" is an irregular verb. (This means that "grind" does not form its simple past tense or its past participle by adding "-ed" or "-d" to the base form.)

The Five Forms of "To Grind"

Form	grind	Alternative Name
Base Form	grind	Infinitive Form
The -S Form	grinds	Third Person Singular Form
Past Form	ground	Simple Past Tense
The -ING Form	grinding	Present Participle Form
The Past Participle Form	ground	[no alternative name]

"To Grind" in All the Tenses

The tables below show how "grind" conjugates in the past, present, and future tenses.

Past Tenses

Person	Simple Past	Past Progressive Tense	Past Perfect Tense	Past Perfect Progressive Tense
I you he/she/it we you they	ground ground ground ground ground ground The simple past tense is for a completed activity that happened in the past.	was grinding were grinding was grinding were grinding were grinding were grinding The past progressive tense is for an ongoing activity in the past. Often, it is used to set the scene for another action.	had ground had ground had ground had ground had ground had ground The past perfect tense is for emphasizing that an action was completed before another took place.	had been grinding had been grinding had been grinding had been grinding had been grinding had been grinding The past perfect progressive tense is for showing that an ongoing action in the past has ended.

Present Tenses

Person	Simple Present	Present Progressive Tense	Present Perfect Tense	Present Perfect Progressive Tense
I you he/she/it we you they	grind grind grinds grind grind grind The simple present tense is mostly for a fact or a habit.	am grinding are grinding is grinding are grinding are grinding are grinding The present progressive tense is for an ongoing action in the present.	have ground have ground has ground have ground have ground have ground The present perfect tense is for an action that began in the past. (Often, the action continues into the present.)	have been grinding have been grinding has been grinding have been grinding have been grinding have been grinding The present perfect progressive tense is for a continuous activity that began in the past and continues into the present (or finished very recently).

Future Tenses

Person	Simple Future	Future Progressive Tense	Future Perfect Tense	Future Perfect Progressive Tense
I you he/she/it we you they	will grind will grind will grind will grind will grind will grind The simple future tense is for an action that will occur in the future.	will be grinding will be grinding will be grinding will be grinding will be grinding will be grinding The future progressive tense is for an ongoing action that will occur in the future.	will have ground will have ground will have ground will have ground will have ground will have ground The future perfect tense is for an action that will have been completed at some point in the future.	will have been grinding will have been grinding will have been grinding will have been grinding will have been grinding will have been grinding The future perfect progressive tense is for an ongoing action that will be completed at some specified time in the future.