English verb conjugation CAN LUFF

Regular verb: luff - luffed - luffed

Affirmation

Simple form

I can luff
you can luff
he can luff
we can luff
you can luff
they can luff

V-ing form

I can be luffing
you can be luffing
he can be luffing
we can be luffing
you can be luffing
they can be luffing

Perfect

I can have luffed
you can have luffed
he can have luffed
we can have luffed
you can have luffed
they can have luffed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

can I luff?
can you luff?
can he luff?
can we luff?
can you luff?
can they luff?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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