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English conjugation tables

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Search for infinitive (min. 3 letters):

to authenticate [tr]

to authenticate, authenticated, authenticated
– authenticates, authenticating –





ACTIVE Intro NEGATION
CONTRAC­TION ANSWER
Top - Indicative - Conditional - Subjunctive - Imperative - Bottom
indicative presentindicative past tense
I don't authenticateI didn't authenticate
you don't authenticateyou didn't authenticate
he/she/it does'nt authenticatehe/she/it didn't authenticate
we don't authenticatewe didn't authenticate
you don't authenticateyou didn't authenticate
they don't authenticatethey didn't authenticate
indicative present continuousindicative past tense continuous
I'm not authenticatingI wasn't authenticating
you aren't authenticatingyou weren't authenticating
he/she/it isn't authenticatinghe/she/it wasn't authenticating
we aren't authenticatingwe weren't authenticating
you aren't authenticatingyou weren't authenticating
they aren't authenticatingthey weren't authenticating
indicative present perfectindicatif past perfect
I haven't authenticatedI hadn't authenticated
you haven't authenticatedyou hadn't authenticated
he/she/it hasn't authenticatedhe/she/it hadn't authenticated
we haven't authenticatedwe hadn't authenticated
you haven't authenticatedyou hadn't authenticated
they haven't authenticatedthey hadn't authenticated
indicative present perfect cont.indicative past perfect cont.
I haven't been authenticatingI hadn't been authenticating
you haven't been authenticatingyou hadn't been authenticating
he/she/it hasn't been authenticatinghe/she/it hadn't been authenticating
we haven't been authenticatingwe hadn't been authenticating
you haven't been authenticatingyou hadn't been authenticating
they haven't been authenticatingthey hadn't been authenticating
indicative futureindicative future perfect
I shan't/won't authenticateI shan't/won't have authenticated
you won't authenticateyou won't have authenticated
he/she/it won't authenticatehe/she/it won't have authenticated
we shan't/won't authenticatewe shan't/won't have authenticated
you won't authenticateyou won't have authenticated
they won't authenticatethey won't have authenticated
indicative future continuousindicative future perfect cont.
I shan't/won't be authenticatingI shan't/won't have been authenticating
you won't be authenticatingyou won't have been authenticating
he/she/it won't be authenticatinghe/she/it won't have been authenticating
we shan't/won't be authenticatingwe shan't/won't have been authenticating
you won't be authenticatingyou won't have been authenticating
they won't be authenticatingthey won't have been authenticating
Top - Indicative - Conditional - Subjunctive - Imperative - Bottom
conditional presentconditional perfect
I shouldn't/wouldn't authenticateI shouldn't/wouldn't have authenticated
you wouldn't authenticateyou wouldn't have authenticated
he/she/it wouldn't authenticatehe/she/it wouldn't have authenticated
we shouldn't/wouldn't authenticatewe shouldn't/wouldn't have authenticated
you wouldn't authenticateyou wouldn't have authenticated
they wouldn't authenticatethey wouldn't have authenticated
conditional present cont.conditional perfect cont.
I shouldn't/wouldn't be authenticatingI shouldn't/wouldn't have been authenticating
you wouldn't be authenticatingyou wouldn't have been authenticating
he/she/it wouldn't be authenticatinghe/she/it wouldn't have been authenticating
we shouldn't/wouldn't be authenticatingwe shouldn't/wouldn't have been authenticating
you wouldn't be authenticatingyou wouldn't have been authenticating
they wouldn't be authenticatingthey wouldn't have been authenticating
Top - Indicative - Conditional - Subjunctive - Imperative - Bottom
subjunctive presentsubjunctive past tense
that I notauthenticatethat I not authenticated
that you not authenticatethat you not authenticated
that he/she/it not authenticatethat he/she/it not authenticated
that we not authenticatethat we not authenticated
that you not authenticatethat you not authenticated
that they not authenticatethat they not authenticated
subjunctive present continuoussubjunctive past tense continuous
that I not be authenticatingthat I not were authenticating
that you not be authenticatingthat you not were authenticating
that he/she/it not be authenticatingthat he/she/it not were authenticating
that we not be authenticatingthat we not were authenticating
that you not be authenticatingthat you not were authenticating
that they not be authenticatingthat they not were authenticating
subjunctive futuresubjunctive future continuous
that I not were to authenticatethat I not were to be authenticating
that you not were to authenticatethat you not were to be authenticating
that he/she/it not were to authenticatethat he/she/it not were to be authenticating
that we not were to authenticatethat we not were to be authenticating
that you not were to authenticatethat you not were to be authenticating
that they not were to authenticatethat they not were to be authenticating
Top - Indicative - Conditional - Subjunctive - Imperative - Bottom
imperative presentimperative past
don't let me authenticatedon't let me have authenticated
don't authenticatedon't have authenticated
don't let him/her/it authenticatedon't let him/her/it have authenticated
don't let us authenticatedon't let us have authenticated
don't authenticatedon't have authenticated
don't let them authenticatedon't let them have authenticated
infinitiveparticiple
not to authenticatenot authenticating
not to have authenticatednot authenticated

A quick overview of the irregular English verbs you get in the table.


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