English verb conjugation CAN DULL

Regular verb: dull - dulled - dulled

Affirmation

Simple form

I can dull
you can dull
he can dull
we can dull
you can dull
they can dull

V-ing form

I can be dulling
you can be dulling
he can be dulling
we can be dulling
you can be dulling
they can be dulling

Perfect

I can have dulled
you can have dulled
he 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
he can have been dulling
we can have been dulling
you can have been dulling
they can have been dulling

Negation

Simple form

I can't dull
you can't dull
he can't dull
we can't dull
you can't dull
they can't dull

V-ing form

I can't be dulling
you can't be dulling
he can't be dulling
we can't be dulling
you can't be dulling
they can't be dulling

Perfect

I can't have dulled
you can't have dulled
he can't have dulled
we can't have dulled
you can't have dulled
they can't have dulled

V-ing perfect

I can't have been dulling
you can't have been dulling
he can't have been dulling
we can't have been dulling
you can't have been dulling
they can't have been dulling

Interrogative form

Simple form

can I dull?
can you dull?
can he dull?
can we dull?
can you dull?
can they dull?

V-ing form

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

Perfect

can I have dulled?
can you have dulled?
can he 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 he have been dulling?
can we have been dulling?
can you have been dulling?
can they have been dulling?

Interro-negative form

Simple form

can't I dull?
can't you dull?
can't he dull?
can't we dull?
can't you dull?
can't they dull?

V-ing form

can't I be dulling?
can't you be dulling?
can't he be dulling?
can't we be dulling?
can't you be dulling?
can't they be dulling?

Perfect

can't I have dulled?
can't you have dulled?
can't he have dulled?
can't we have dulled?
can't you have dulled?
can't they have dulled?

V-ing perfect

can't I have been dulling?
can't you have been dulling?
can't he have been dulling?
can't we have been dulling?
can't you have been dulling?
can't they have been dulling?

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