Indicative
Present Indefinite
I warn
you warn
he/she/it warns
we warn
you warn
they warn
Present Continuous
I am warning
you are warning
he/she/it is warning
we are warning
you are warning
they are warning
Present Perfect
I have warned
you have warned
he/she/it has warned
we have warned
you have warned
they have warned
Present Perfect Continuous
I have been warning
you have been warning
he/she/it has been warning
we have been warning
you have been warning
they have been warning
Past Indefinite
I warned
you warned
he/she/it warned
we warned
you warned
they warned
Past Continuous
I was warning
you were warning
he/she/it was warning
we were warning
you were warning
they were warning
Past Perfect
I had warned
you had warned
he/she/it had warned
we had warned
you had warned
they had warned
Past Perfect Continuous
I had been warning
you had been warning
he/she/it had been warning
we had been warning
you had been warning
they had been warning
Future Indefinite
I will warn
you will warn
he/she/it will warn
we will warn
you will warn
they will warn
Future Continuous
I will be warning
you will be warning
he/she/it will be warning
we will be warning
you will be warning
they will be warning
Future Perfect
I will have warned
you will have warned
he/she/it will have warned
we will have warned
you will have warned
they will have warned
Future Perfect Continuous
I will have been warning
you will have been warning
he/she/it will have been warning
we will have been warning
you will have been warning
they will have been warning
Conditional
Conditional Present
I would warn
you would warn
he/she/it would warn
we would warn
you would warn
they would warn
Conditional Present Continuous
I would be warning
you would be warning
he/she/it would be warning
we would be warning
you would be warning
they would be warning
Conditional Perfect
I would have warned
you would have warned
he/she/it would have warned
we would have warned
you would have warned
they would have warned
Conditional Perfect Continuous
I would have been warning
you would have been warning
he/she/it would have been warning
we would have been warning
you would have been warning
they would have been warning