English verb conjugation CAN DOFF

Regular verb: doff - doffed - doffed

Affirmation

Simple form

I can doff
you can doff
he can doff
we can doff
you can doff
they can doff

V-ing form

I can be doffing
you can be doffing
he can be doffing
we can be doffing
you can be doffing
they can be doffing

Perfect

I can have doffed
you can have doffed
he can have doffed
we can have doffed
you can have doffed
they can have doffed

V-ing perfect

I can have been doffing
you can have been doffing
he can have been doffing
we can have been doffing
you can have been doffing
they can have been doffing

Negation

Simple form

I cannot doff
you cannot doff
he cannot doff
we cannot doff
you cannot doff
they cannot doff

V-ing form

I cannot be doffing
you cannot be doffing
he cannot be doffing
we cannot be doffing
you cannot be doffing
they cannot be doffing

Perfect

I cannot have doffed
you cannot have doffed
he cannot have doffed
we cannot have doffed
you cannot have doffed
they cannot have doffed

V-ing perfect

I cannot have been doffing
you cannot have been doffing
he cannot have been doffing
we cannot have been doffing
you cannot have been doffing
they cannot have been doffing

Interrogative form

Simple form

can I doff?
can you doff?
can he doff?
can we doff?
can you doff?
can they doff?

V-ing form

can I be doffing?
can you be doffing?
can he be doffing?
can we be doffing?
can you be doffing?
can they be doffing?

Perfect

can I have doffed?
can you have doffed?
can he have doffed?
can we have doffed?
can you have doffed?
can they have doffed?

V-ing perfect

can I have been doffing?
can you have been doffing?
can he have been doffing?
can we have been doffing?
can you have been doffing?
can they have been doffing?

Interro-negative form

Simple form

can I not doff?
can you not doff?
can he not doff?
can we not doff?
can you not doff?
can they not doff?

V-ing form

can I not be doffing?
can you not be doffing?
can he not be doffing?
can we not be doffing?
can you not be doffing?
can they not be doffing?

Perfect

can I not have doffed?
can you not have doffed?
can he not have doffed?
can we not have doffed?
can you not have doffed?
can they not have doffed?

V-ing perfect

can I not have been doffing?
can you not have been doffing?
can he not have been doffing?
can we not have been doffing?
can you not have been doffing?
can they not have been doffing?

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