Conjugation of the verb "testify"

Conjugation of the verb testify[ˈtestɪfaɪ], regular     

testify not testify
All forms Indicative Conditional Participles Infinitives

Indicative

Present Indefinite

I testify
you testify
he/she/it testifies
we testify
you testify
they testify

Present Continuous

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

Present Perfect

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

Present Perfect Continuous

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

Past Indefinite

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

Past Continuous

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

Past Perfect

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

Past Perfect Continuous

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

Future Indefinite

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

Future Continuous

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

Future Perfect

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

Future Perfect Continuous

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

Indicative

Present Indefinite

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

Present Continuous

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

Present Perfect

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

Present Perfect Continuous

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

Past Indefinite

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

Past Continuous

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

Past Perfect

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

Past Perfect Continuous

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

Future Indefinite

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

Future Continuous

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

Future Perfect

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

Future Perfect Continuous

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

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 testify
you would testify
he/she/it would testify
we would testify
you would testify
they would testify

Conditional Present Continuous

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

Conditional Perfect

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

Conditional Perfect Continuous

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

Conditional

Conditional Present

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

Conditional Present Continuous

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

Conditional Perfect

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

Conditional Perfect Continuous

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

Conditional

Conditional Present

Conditional Present Continuous

Conditional Perfect

Conditional Perfect Continuous

Participles

Present

testifying

Past

testified

Infinitives

Infinitives

to testify
to have testified
to be testifying
to have been testifying
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.