Past Tenses
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Authenticate Past Tense

past tense of authenticate is authenticated.

Authenticate verb forms

InfinitivePresent ParticiplePast TensePast Participle

Conjugation of Authenticate

Simple / Indefinite Present Tense
He/She/It authenticates .
I authenticate.
You/We/They authenticate.

Present Continuous Tense
He/She/It is authenticating.
I am authenticating.
You/We/They are authenticating.

Present Perfect Tense
He/She/It has authenticated.
I have authenticated.
You/We/They have authenticated.

Present Perfect Continuous Tense
He/She/It has been authenticating.
I have been authenticating.
You/We/They have been authenticating.

Simple Past Tense
He/She/It authenticated.
I authenticated.
You/We/They authenticated.

Past Continuous Tense
He/She/It was authenticating.
I was authenticating.
You/We/They were authenticating.

Past Perfect Tense
He/She/It had authenticated.
I had authenticated.
You/We/They had authenticated.

Past Perfect Continuous Tense
He/She/It had been authenticating.
I had been authenticating.
You/We/They had been authenticating.

Simple Future Tense
He/She/It will/shall authenticate.
I will/shall authenticate.
You/We/They will/shall authenticate.

Future Continuous Tense
He/She/It will/shall be authenticating.
I will/shall be authenticating.
You/We/They will/shall be authenticating.

Future Perfect Tense
He/She/It will/shall have authenticated.
I will/shall have authenticated.
You/We/They will/shall have authenticated.

Future Perfect Continuous Tense
He/She/It will/shall have been authenticating.
I will/shall have been authenticating.
You/We/They will/shall have been authenticating.

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