English verb conjugation CAN DULL

Regular verb: dull - dulled - dulled

Affirmation

Simple form

I can dull
you can dull
she can dull
we can dull
you can dull
they can dull

V-ing form

I can be dulling
you can be dulling
she can be dulling
we can be dulling
you can be dulling
they can be dulling

Perfect

I can have dulled
you can have dulled
she can have dulled
we can have dulled
you can have dulled
they can have dulled

V-ing perfect

I can have been dulling
you can have been dulling
she can have been dulling
we can have been dulling
you can have been dulling
they can have been dulling

Negation

Simple form

I cannot dull
you cannot dull
she cannot dull
we cannot dull
you cannot dull
they cannot dull

V-ing form

I cannot be dulling
you cannot be dulling
she cannot be dulling
we cannot be dulling
you cannot be dulling
they cannot be dulling

Perfect

I cannot have dulled
you cannot have dulled
she cannot have dulled
we cannot have dulled
you cannot have dulled
they cannot have dulled

V-ing perfect

I cannot have been dulling
you cannot have been dulling
she cannot have been dulling
we cannot have been dulling
you cannot have been dulling
they cannot have been dulling

Interrogative form

Simple form

can I dull?
can you dull?
can she dull?
can we dull?
can you dull?
can they dull?

V-ing form

can I be dulling?
can you be dulling?
can she be dulling?
can we be dulling?
can you be dulling?
can they be dulling?

Perfect

can I have dulled?
can you have dulled?
can she have dulled?
can we have dulled?
can you have dulled?
can they have dulled?

V-ing perfect

can I have been dulling?
can you have been dulling?
can she have been dulling?
can we have been dulling?
can you have been dulling?
can they have been dulling?

Interro-negative form

Simple form

can I not dull?
can you not dull?
can she not dull?
can we not dull?
can you not dull?
can they not dull?

V-ing form

can I not be dulling?
can you not be dulling?
can she not be dulling?
can we not be dulling?
can you not be dulling?
can they not be dulling?

Perfect

can I not have dulled?
can you not have dulled?
can she not have dulled?
can we not have dulled?
can you not have dulled?
can they not have dulled?

V-ing perfect

can I not have been dulling?
can you not have been dulling?
can she not have been dulling?
can we not have been dulling?
can you not have been dulling?
can they not have been dulling?

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