English verb conjugation CAN ROLF

Regular verb: rolf - rolfed - rolfed

Affirmation

Simple form

I can rolf
you can rolf
he can rolf
we can rolf
you can rolf
they can rolf

V-ing form

I can be rolfing
you can be rolfing
he can be rolfing
we can be rolfing
you can be rolfing
they can be rolfing

Perfect

I can have rolfed
you can have rolfed
he can have rolfed
we can have rolfed
you can have rolfed
they can have rolfed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

can I rolf?
can you rolf?
can he rolf?
can we rolf?
can you rolf?
can they rolf?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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