To Testify

Infinitive: to testify
Gerund: testifying
Past participle: testified
Simple past: testified


Irregular forms
Auxilliary verb
Spelling change

Indicative

Present
I testify I testify
you testify you testify
he/she/it testifies he/she/it testifies
we testify we testify
they testify they testify
you testify you testify
I do not testify I don't testify
you do not testify you don't testify
he/she/it does not testify he/she/it doesn't testify
we do not testify we don't testify
they do not testify they don't testify
you do not testify you don't testify
Preterite
I testified I testified
you testified you testified
he/she/it testified he/she/it testified
we testified we testified
they testified they testified
you testified you testified
I did not testify I didn't testify
you did not testify you didn't testify
he/she/it did not testify he/she/it didn't testify
we did not testify we didn't testify
they did not testify they didn't testify
you did not testify you didn't testify
Future
I will testify I'll testify
you will testify you'll testify
he/she/it will testify he/she/it'll testify
we will testify we'll testify
they will testify they'll testify
you will testify you'll testify
I will not testify I won't testify
you will not testify you won't testify
he/she/it will not testify he/she/it won't testify
we will not testify we won't testify
they will not testify they won't testify
you will not testify you won't testify

Perfect

Present
I have testified I've testified
you have testified you've testified
he/she/it has testified he/she/it's testified
we have testified we've testified
they have testified they've testified
you have testified you've testified
I have not testified I haven't testified
you have not testified you haven't testified
he/she/it has not testified he/she/it hasn't testified
we have not testified we haven't testified
they have not testified they haven't testified
you have not testified you haven't testified
Past
I had testified I'd testified
you had testified you'd testified
he/she/it had testified he/she/it'd testified
we had testified we'd testified
they had testified they'd testified
you had testified you'd testified
I had not testified I hadn't testified
you had not testified you hadn't testified
he/she/it had not testified he/she/it hadn't testified
we had not testified we hadn't testified
they had not testified they hadn't testified
you had not testified you hadn't testified
Future
I will have testified I'll have testified
you will have testified you'll have testified
he/she/it will have testified he/she/it'll have testified
we will have testified we'll have testified
they will have testified they'll have testified
you will have testified you'll have testified
I will not have testified I won't have testified
you will not have testified you won't have testified
he/she/it will not have testified he/she/it won't have testified
we will not have testified we won't have testified
they will not have testified they won't have testified
you will not have testified you won't have testified

Continuous

Present
I am testifying I'm testifying
you are testifying you're testifying
he/she/it is testifying he/she/it's testifying
we are testifying we're testifying
they are testifying they're testifying
you are testifying you're testifying
I am not testifying I'm not testifying
you are not testifying you aren't testifying
he/she/it is not testifying he/she/it isn't testifying
we are not testifying we aren't testifying
they are not testifying they aren't testifying
you are not testifying you aren't testifying
Past
I was testifying I was testifying
you were testifying you were testifying
he/she/it was testifying he/she/it was testifying
we were testifying we were testifying
they were testifying they were testifying
you were testifying you were testifying
I was not testifying I wasn't testifying
you were not testifying you weren't testifying
he/she/it was not testifying he/she/it wasn't testifying
we were not testifying we weren't testifying
they were not testifying they weren't testifying
you were not testifying you weren't testifying
Future
I will be testifying I'll be testifying
you will be testifying you'll be testifying
he/she/it will be testifying he/she/it'll be testifying
we will be testifying we'll be testifying
they will be testifying they'll be testifying
you will be testifying you'll be testifying
I will not be testifying I won't be testifying
you will not be testifying you won't be testifying
he/she/it will not be testifying he/she/it won't be testifying
we will not be testifying we won't be testifying
they will not be testifying they won't be testifying
you will not be testifying you won't be testifying

Continuous Perfect

Present
I have been testifying I've been testifying
you have been testifying you've been testifying
he/she/it has been testifying he/she/it's been testifying
we have been testifying we've been testifying
they have been testifying they've been testifying
you have been testifying you've been testifying
I have not been testifying I haven't been testifying
you have not been testifying you haven't been testifying
he/she/it has not been testifying he/she/it hasn't been testifying
we have not been testifying we haven't been testifying
they have not been testifying they haven't been testifying
you have not been testifying you haven't been testifying
Past
I had been testifying I'd been testifying
you had been testifying you'd been testifying
he/she/it had been testifying he/she/it'd been testifying
we had been testifying we'd been testifying
they had been testifying they'd been testifying
you had been testifying you'd been testifying
I had not been testifying I hadn't been testifying
you had not been testifying you hadn't been testifying
he/she/it had not been testifying he/she/it hadn't been testifying
we had not been testifying we hadn't been testifying
they had not been testifying they hadn't been testifying
you had not been testifying you hadn't been testifying
Future
I will have been testifying I'll have been testifying
you will have been testifying you'll have been testifying
he/she/it will have been testifying he/she/it'll have been testifying
we will have been testifying we'll have been testifying
they will have been testifying they'll have been testifying
you will have been testifying you'll have been testifying
I will not have been testifying I won't have been testifying
you will not have been testifying you won't have been testifying
he/she/it will not have been testifying he/she/it won't have been testifying
we will not have been testifying we won't have been testifying
they will not have been testifying they won't have been testifying
you will not have been testifying you won't have been testifying

Conditional

Present
I would testify I would testify
you would testify you would testify
he/she/it would testify he/she/it would testify
we would testify we would testify
they would testify they would testify
you would testify you would testify
I would not testify I wouldn't testify
you would not testify you wouldn't testify
he/she/it would not testify he/she/it wouldn't testify
we would not testify we wouldn't testify
they would not testify they wouldn't testify
you would not testify you wouldn't testify
Perfect
I would have testified I would've testified
you would have testified you would've testified
he/she/it would have testified he/she/it would've testified
we would have testified we would've testified
they would have testified they would've testified
you would have testified you would've testified
I would not have testified I wouldn't have testified
you would not have testified you wouldn't have testified
he/she/it would not have testified he/she/it wouldn't have testified
we would not have testified we wouldn't have testified
they would not have testified they wouldn't have testified
you would not have testified you wouldn't have testified

Imperative

(you) testify (you) testify
(we) let's testify (we) let's testify
(you) testify (you) testify
(you) do not testify (you) don't testify
(we) let's not testify (we) let's not testify
(you) do not testify (you) don't testify

Sign up for weekly English tips

Join 20,000 other learners and get language tips and tools straight to your inbox