Indicative
Present Indefinite
I duff
you duff
he/she/it duffs
we duff
you duff
they duff
Present Continuous
I am duffing
you are duffing
he/she/it is duffing
we are duffing
you are duffing
they are duffing
Present Perfect
I have duffed
you have duffed
he/she/it has duffed
we have duffed
you have duffed
they have duffed
Present Perfect Continuous
I have been duffing
you have been duffing
he/she/it has been duffing
we have been duffing
you have been duffing
they have been duffing
Past Indefinite
I duffed
you duffed
he/she/it duffed
we duffed
you duffed
they duffed
Past Continuous
I was duffing
you were duffing
he/she/it was duffing
we were duffing
you were duffing
they were duffing
Past Perfect
I had duffed
you had duffed
he/she/it had duffed
we had duffed
you had duffed
they had duffed
Past Perfect Continuous
I had been duffing
you had been duffing
he/she/it had been duffing
we had been duffing
you had been duffing
they had been duffing
Future Indefinite
I will duff
you will duff
he/she/it will duff
we will duff
you will duff
they will duff
Future Continuous
I will be duffing
you will be duffing
he/she/it will be duffing
we will be duffing
you will be duffing
they will be duffing
Future Perfect
I will have duffed
you will have duffed
he/she/it will have duffed
we will have duffed
you will have duffed
they will have duffed
Future Perfect Continuous
I will have been duffing
you will have been duffing
he/she/it will have been duffing
we will have been duffing
you will have been duffing
they will have been duffing
Conditional
Conditional Present
I would duff
you would duff
he/she/it would duff
we would duff
you would duff
they would duff
Conditional Present Continuous
I would be duffing
you would be duffing
he/she/it would be duffing
we would be duffing
you would be duffing
they would be duffing
Conditional Perfect
I would have duffed
you would have duffed
he/she/it would have duffed
we would have duffed
you would have duffed
they would have duffed
Conditional Perfect Continuous
I would have been duffing
you would have been duffing
he/she/it would have been duffing
we would have been duffing
you would have been duffing
they would have been duffing