English verb conjugation
TO AUTHENTICATE

Regular verb: authenticate - authenticated - authenticated

Indicative

Present	Present continuous	Preterite	Preterite continuous
do I authenticate? do you authenticate? does he authenticate? do we authenticate? do you authenticate? do they authenticate?	am I authenticating? are you authenticating? is he authenticating? are we authenticating? are you authenticating? are they authenticating?	did I authenticate? did you authenticate? did he authenticate? did we authenticate? did you authenticate? did they authenticate?	was I authenticating? were you authenticating? was he authenticating? were we authenticating? were you authenticating? were they authenticating?
Present perfect	Present perfect continuous	Pluperfect	Pluperfect continuous
have I authenticated? have you authenticated? has he authenticated? have we authenticated? have you authenticated? have they authenticated?	have I been authenticating? have you been authenticating? has he been authenticating? have we been authenticating? have you been authenticating? have they been authenticating?	had I authenticated? had you authenticated? had he authenticated? had we authenticated? had you authenticated? had they authenticated?	had I been authenticating? had you been authenticating? had he been authenticating? had we been authenticating? had you been authenticating? had they been authenticating?
Future	Future continuous	Future perfect	Future perfect continuous
will I authenticate? will you authenticate? will he authenticate? will we authenticate? will you authenticate? will they authenticate?	will I be authenticating? will you be authenticating? will he be authenticating? will we be authenticating? will you be authenticating? will they be authenticating?	will I have authenticated? will you have authenticated? will he have authenticated? will we have authenticated? will you have authenticated? will they have authenticated?	will I have been authenticating? will you have been authenticating? will he have been authenticating? will we have been authenticating? will you have been authenticating? will they have been authenticating?

Conditional

Present	Present continuous	Past	Past continuous
would I authenticate? would you authenticate? would he authenticate? would we authenticate? would you authenticate? would they authenticate?	would I be authenticating? would you be authenticating? would he be authenticating? would we be authenticating? would you be authenticating? would they be authenticating?	would I have authenticated? would you have authenticated? would he have authenticated? would we have authenticated? would you have authenticated? would they have authenticated?	would I have been authenticating? would you have been authenticating? would he have been authenticating? would we have been authenticating? would you have been authenticating? would they have been authenticating?

Infinitive

Imperative

Infinitive		Imperative
to authenticate		- - -

Participle

Present	Past
authenticating	authenticated