What is the past tense of "regulate"?

The past simple of "regulate" is "regulated". The government regulates the activities of banks to protect consumers.

What is the past participle of "regulate"?

The past participle of "regulate" is "regulated". Use it after have/has/had: "I have regulated".

What is a common mistake with "regulate"?

Wrong: "The government should regulates all industries.". Correct: "The government should regulate all industries.". The verb 'regulate' after 'should' must be in base form, not third person singular.

Conjugation of "Regulate" — All Forms, Examples, and Usage

Q: Is "regulate" regular or irregular?

"Regulate" is a regular English verb. Both past simple and past participle are formed by adding -ed.

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All 12 Tenses of "Regulate"

Quick reference table — every tense form of "regulate" with the first-person example and a link to the grammar guide for that tense.

Tense	Example (I)	Quick rule
Simple Present	`I regulate`	Used for habits, facts, routines, and permanent situations. Full rule →
Simple Past	`I regulated`	Used for completed actions at a specific time in the past. Full rule →
Simple Future	`I will regulate`	Used for predictions, decisions made at the moment, and promises. Full rule →
Present Continuous	`I am regulating`	Used for actions happening right now or temporary situations. Full rule →
Past Continuous	`I was regulating`	Used for actions in progress at a specific moment in the past. Full rule →
Future Continuous	`I will be regulating`	Used for actions that will be in progress at a specific future time. Full rule →
Present Perfect	`I have regulated`	Used for past actions with present relevance, life experiences, or unfinished situations. Full rule →
Past Perfect	`I had regulated`	Used for an action that was completed before another past action. Full rule →
Future Perfect	`I will have regulated`	Used for an action that will be completed before a specific future time. Full rule →
Present Perfect Continuous	`I have been regulating`	Used for actions that started in the past and continue now, with focus on duration. Full rule →
Past Perfect Continuous	`I had been regulating`	Used for ongoing actions in the past that continued up to another past moment. Full rule →
Future Perfect Continuous	`I will have been regulating`	Used for actions that will have been ongoing up until a specific future time. Full rule →

Past Tense of "Regulate" — Regulated

The past simple of "regulate" is "regulated" — formed by adding "-ed". Use it for actions that were completed at a specific time in the past, such as "yesterday", "last week", or "in 2020". For the full grammar of this tense, see our simple past tense guide.

Past Participle of "Regulate" — Regulated

The past participle of "regulate" is "regulated" — the same form as the past simple, since "regulate" is a regular verb. Use it after "have/has/had" for perfect tenses ("I have regulated") and after "be" for passive voice ("It was regulated").

Is "Regulate" Regular or Irregular?

"Regulate" is a regular English verb. Its past simple and past participle are both formed by adding "-ed" to give "regulated". The 3rd-person singular present is "regulates" and the gerund/present participle is "regulating".

Conjugation pattern: regular: add -ed for past simple and past participle

How to Pronounce "Regulate" and Its Forms

Regulate: /ˈreɡjuleɪt/ — Stress pattern: Oos

Syllable breakdown: reg · u · late

Example Sentences with "Regulate" in Different Tenses

Simple Present: Scientists regulate the temperature in the laboratory to ensure accurate results. B2

Common Collocations with "Regulate"

regulate traffic
regulate body temperature
regulate the market
regulate prices

When to Use "Regulate" vs Similar Verbs

Smart synonyms — when to use each one

control — general supervision or command over
manage — direct or handle something responsibly
adjust — set to proper level or state

Common Mistakes with "Regulate"

Wrong: She regulate often.
Correct: She regulates often.
Add "s" to the verb when the subject is third-person singular (he/she/it).

Conjugation Tables for "Regulate"

Negative Forms

Simple present: I do not regulate · He does not regulate
Simple past: I did not regulate · She did not regulate
Present perfect: I have not regulated · He has not regulated

Question Forms

Simple present: Do you regulate? · Does he regulate?
Simple past: Did you regulate?
Present perfect: Have you regulated?

Passive Voice (where applicable)

Simple present passive: It is regulated
Simple past passive: It was regulated
Present perfect passive: It has been regulated

Frequently Asked Questions About "Regulate"

Is "regulate" regular or irregular?: "regulate" is a regular verb. Add -ed for past simple and past participle: "regulated".
What is the past tense of "regulate"?: The simple past of "regulate" is "regulated".
When do I use simple present vs present continuous with "regulate"?: Use simple present for habits, facts, and routines: "I regulate every day." Use present continuous for actions happening right now: "I am regulating right now."