Conjugation of the verb "stifle"

Conjugation of the verb stifle[ˈstaɪfl], regular     

stifle not stifle
All forms Indicative Conditional Participles Infinitives

Indicative

Present Indefinite

I stifle
you stifle
he/she/it stifles
we stifle
you stifle
they stifle

Present Continuous

I am stifling
you are stifling
he/she/it is stifling
we are stifling
you are stifling
they are stifling

Present Perfect

I have stifled
you have stifled
he/she/it has stifled
we have stifled
you have stifled
they have stifled

Present Perfect Continuous

I have been stifling
you have been stifling
he/she/it has been stifling
we have been stifling
you have been stifling
they have been stifling

Past Indefinite

I stifled
you stifled
he/she/it stifled
we stifled
you stifled
they stifled

Past Continuous

I was stifling
you were stifling
he/she/it was stifling
we were stifling
you were stifling
they were stifling

Past Perfect

I had stifled
you had stifled
he/she/it had stifled
we had stifled
you had stifled
they had stifled

Past Perfect Continuous

I had been stifling
you had been stifling
he/she/it had been stifling
we had been stifling
you had been stifling
they had been stifling

Future Indefinite

I will stifle
you will stifle
he/she/it will stifle
we will stifle
you will stifle
they will stifle

Future Continuous

I will be stifling
you will be stifling
he/she/it will be stifling
we will be stifling
you will be stifling
they will be stifling

Future Perfect

I will have stifled
you will have stifled
he/she/it will have stifled
we will have stifled
you will have stifled
they will have stifled

Future Perfect Continuous

I will have been stifling
you will have been stifling
he/she/it will have been stifling
we will have been stifling
you will have been stifling
they will have been stifling

Indicative

Present Indefinite

I don't stifle
you don't stifle
he/she/it doesn't stifle
we don't stifle
you don't stifle
they don't stifle

Present Continuous

I am not stifling
you aren't stifling
he/she/it isn't stifling
we aren't stifling
you aren't stifling
they aren't stifling

Present Perfect

I haven't stifled
you haven't stifled
he/she/it hasn't stifled
we haven't stifled
you haven't stifled
they haven't stifled

Present Perfect Continuous

I haven't been stifling
you haven't been stifling
he/she/it hasn't been stifling
we haven't been stifling
you haven't been stifling
they haven't been stifling

Past Indefinite

I didn't stifle
you didn't stifle
he/she/it didn't stifle
we didn't stifle
you didn't stifle
they didn't stifle

Past Continuous

I wasn't stifling
you weren't stifling
he/she/it wasn't stifling
we weren't stifling
you weren't stifling
they weren't stifling

Past Perfect

I hadn't stifled
you hadn't stifled
he/she/it hadn't stifled
we hadn't stifled
you hadn't stifled
they hadn't stifled

Past Perfect Continuous

I hadn't been stifling
you hadn't been stifling
he/she/it hadn't been stifling
we hadn't been stifling
you hadn't been stifling
they hadn't been stifling

Future Indefinite

I shan't / won't stifle
you won't stifle
he/she/it won't stifle
we shan't / won't stifle
you won't stifle
they won't stifle

Future Continuous

I shan't / won't be stifling
you won't be stifling
he/she/it won't be stifling
we shan't / won't be stifling
you won't be stifling
they won't be stifling

Future Perfect

I shan't / won't have stifled
you won't have stifled
he/she/it won't have stifled
we shan't / won't have stifled
you won't have stifled
they won't have stifled

Future Perfect Continuous

I shan't / won't have been stifling
you won't have been stifling
he/she/it won't have been stifling
we shan't / won't have been stifling
you won't have been stifling
they won't have been stifling

Indicative

Present Indefinite

Present Continuous

Present Perfect

Present Perfect Continuous

Past Indefinite

Past Continuous

Past Perfect

Past Perfect Continuous

Future Indefinite

Future Continuous

Future Perfect

Future Perfect Continuous

Conditional

Conditional Present

I would stifle
you would stifle
he/she/it would stifle
we would stifle
you would stifle
they would stifle

Conditional Present Continuous

I would be stifling
you would be stifling
he/she/it would be stifling
we would be stifling
you would be stifling
they would be stifling

Conditional Perfect

I would have stifled
you would have stifled
he/she/it would have stifled
we would have stifled
you would have stifled
they would have stifled

Conditional Perfect Continuous

I would have been stifling
you would have been stifling
he/she/it would have been stifling
we would have been stifling
you would have been stifling
they would have been stifling

Conditional

Conditional Present

I wouldn't stifle
you wouldn't stifle
he/she/it wouldn't stifle
we wouldn't stifle
you wouldn't stifle
they wouldn't stifle

Conditional Present Continuous

I wouldn't be stifling
you wouldn't be stifling
he/she/it wouldn't be stifling
we wouldn't be stifling
you wouldn't be stifling
they wouldn't be stifling

Conditional Perfect

I wouldn't have stifled
you wouldn't have stifled
he/she/it wouldn't have stifled
we wouldn't have stifled
you wouldn't have stifled
they wouldn't have stifled

Conditional Perfect Continuous

I wouldn't have been stifling
you wouldn't have been stifling
he/she/it wouldn't have been stifling
we wouldn't have been stifling
you wouldn't have been stifling
they wouldn't have been stifling

Conditional

Conditional Present

Conditional Present Continuous

Conditional Perfect

Conditional Perfect Continuous

Participles

Present

stifling

Past

stifled

Infinitives

Infinitives

to stifle
to have stifled
to be stifling
to have been stifling
Did you find any mistake or inaccuracy? Please write to us.

English Verb Conjugation Online

PROMT.One helps you quickly check English verb forms online. Enter a verb and instantly get a table with the base form, the 3rd person singular form, the Past Simple form, the Past Participle form, and the -ing form, as well as conjugation across all 12 tenses with examples.

What the Table Shows

The service displays English verb forms by person, number, and tense, including regular, irregular, and phrasal verbs. This is useful for studying, translation, writing, and quick grammar checks.

How to Use It

  • Enter an English verb in the search box.
  • Click Search.
  • Get a table of forms, tenses, and usage examples.

Frequently Asked Questions

Which forms does the service show?
The base form, the 3rd person singular form, the Past Simple form, the Past Participle form, and the -ing form.

Does the service show irregular verbs?
Yes. PROMT.One shows irregular English verb forms and their usage across tenses.

Can I check a phrasal verb?
Yes. The service supports phrasal verbs and shows their forms together with examples.

Try it now: enter an English verb and get a complete table of forms and tenses in PROMT.One.

PROMT.One is a fast and helpful tool for any language learner. Check the conjugation of verbs and see the table of tenses for English, German, Russian, French, Italian, Portuguese and Spanish.