English verb conjugation CAN WHIFF

Regular verb: whiff - whiffed - whiffed

Affirmation

Simple form

I can whiff
you can whiff
he can whiff
we can whiff
you can whiff
they can whiff

V-ing form

I can be whiffing
you can be whiffing
he can be whiffing
we can be whiffing
you can be whiffing
they can be whiffing

Perfect

I can have whiffed
you can have whiffed
he can have whiffed
we can have whiffed
you can have whiffed
they can have whiffed

V-ing perfect

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

Negation

Simple form

I cannot whiff
you cannot whiff
he cannot whiff
we cannot whiff
you cannot whiff
they cannot whiff

V-ing form

I cannot be whiffing
you cannot be whiffing
he cannot be whiffing
we cannot be whiffing
you cannot be whiffing
they cannot be whiffing

Perfect

I cannot have whiffed
you cannot have whiffed
he cannot have whiffed
we cannot have whiffed
you cannot have whiffed
they cannot have whiffed

V-ing perfect

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

Interrogative form

Simple form

can I whiff?
can you whiff?
can he whiff?
can we whiff?
can you whiff?
can they whiff?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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