to authenticate
Regular verb: authenticate - authenticated- authenticated

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I authenticate
you authenticate
he authenticates
we authenticate
you authenticate
they authenticate 	Iamauthenticating
youareauthenticating
heisauthenticating
weareauthenticating
youareauthenticating
theyareauthenticating	I authenticated
you authenticated
he authenticated
we authenticated
you authenticated
they authenticated	Iwasauthenticating
youwereauthenticating
hewasauthenticating
wewereauthenticating
youwereauthenticating
theywereauthenticating	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I have authenticated
you have authenticated
he has authenticated
we have authenticated
you have authenticated
they have authenticated	I have been authenticating
you have been authenticating
hehasbeen authenticating
we have been authenticating
you have been authenticating
they have been authenticating	I had authenticated
you had authenticated
he had authenticated
we had authenticated
you had authenticated
they had authenticated	I had been authenticating
you had been authenticating
he had been authenticating
we had been authenticating
you had been authenticating
they had been authenticating	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I will authenticate
you will authenticate
he will authenticate
we will authenticate
you will authenticate
they will authenticate 	I will be authenticating
you will be authenticating
he will be authenticating
we will be authenticating
you will be authenticating
they will be authenticating	I will have authenticated
you will have authenticated
he will have authenticated
we will have authenticated
you will have authenticated
they will have authenticated	I will have been authenticating
you will have been authenticating
he will have been authenticating
we will have been authenticating
you will have been authenticating
they will have been authenticating	

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

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to authenticate 	 	authenticate
Let's authenticate
authenticate 	 	

Participle 	
Present 	Past 	 	 	
authenticating	authenticated