Free conjugation exercises for English language learners

authenticate

Regular

Change speaker

You're listening to Joanna
She has an American accent and expects you to use American spelling.

Simple

Continuous

Perfect

Perfect continuous

Past

I authenticated
you authenticated
he/she/it authenticated
we authenticated
you authenticated
they authenticated

Present

I authenticate
you authenticate
he/she/it authenticates
we authenticate
you authenticate
they authenticate

Future

I will authenticate
you will authenticate
he/she/it will authenticate
we will authenticate
you will authenticate
they will authenticate

Past

I was authenticating
you were authenticating
he/she/it was authenticating
we were authenticating
you were authenticating
they were authenticating

Present

I am authenticating
you are authenticating
he/she/it is authenticating
we are authenticating
you are authenticating
they are authenticating

Future

I will be authenticating
you will be authenticating
he/she/it will be authenticating
we will be authenticating
you will be authenticating
they will be authenticating

Past

I had authenticated
you had authenticated
he/she/it had authenticated
we had authenticated
you had authenticated
they had authenticated

Present

I have authenticated
you have authenticated
he/she/it has authenticated
we have authenticated
you have authenticated
they have authenticated

Future

I will have authenticated
you will have authenticated
he/she/it will have authenticated
we will have authenticated
you will have authenticated
they will have authenticated

Past

I had been authenticating
you had been authenticating
he/she/it had been authenticating
we had been authenticating
you had been authenticating
they had been authenticating

Present

I have been authenticating
you have been authenticating
he/she/it has been authenticating
we have been authenticating
you have been authenticating
they have been authenticating

Future

I will have been authenticating
you will have been authenticating
he/she/it will have been authenticating
we will have been authenticating
you will have been authenticating
they will have been authenticating

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