English verb conjugation COULD TRIFFLE

Regular verb: triffle - triffled - triffled

Affirmation

Simple form

I could triffle
you could triffle
he could triffle
we could triffle
you could triffle
they could triffle

V-ing form

I could be triffling
you could be triffling
he could be triffling
we could be triffling
you could be triffling
they could be triffling

Perfect

I could have triffled
you could have triffled
he could have triffled
we could have triffled
you could have triffled
they could have triffled

V-ing perfect

I could have been triffling
you could have been triffling
he could have been triffling
we could have been triffling
you could have been triffling
they could have been triffling

Negation

Simple form

I couldn't triffle
you couldn't triffle
he couldn't triffle
we couldn't triffle
you couldn't triffle
they couldn't triffle

V-ing form

I couldn't be triffling
you couldn't be triffling
he couldn't be triffling
we couldn't be triffling
you couldn't be triffling
they couldn't be triffling

Perfect

I couldn't have triffled
you couldn't have triffled
he couldn't have triffled
we couldn't have triffled
you couldn't have triffled
they couldn't have triffled

V-ing perfect

I couldn't have been triffling
you couldn't have been triffling
he couldn't have been triffling
we couldn't have been triffling
you couldn't have been triffling
they couldn't have been triffling

Interrogative form

Simple form

could I triffle?
could you triffle?
could he triffle?
could we triffle?
could you triffle?
could they triffle?

V-ing form

could I be triffling?
could you be triffling?
could he be triffling?
could we be triffling?
could you be triffling?
could they be triffling?

Perfect

could I have triffled?
could you have triffled?
could he have triffled?
could we have triffled?
could you have triffled?
could they have triffled?

V-ing perfect

could I have been triffling?
could you have been triffling?
could he have been triffling?
could we have been triffling?
could you have been triffling?
could they have been triffling?

Interro-negative form

Simple form

couldn't I triffle?
couldn't you triffle?
couldn't he triffle?
couldn't we triffle?
couldn't you triffle?
couldn't they triffle?

V-ing form

couldn't I be triffling?
couldn't you be triffling?
couldn't he be triffling?
couldn't we be triffling?
couldn't you be triffling?
couldn't they be triffling?

Perfect

couldn't I have triffled?
couldn't you have triffled?
couldn't he have triffled?
couldn't we have triffled?
couldn't you have triffled?
couldn't they have triffled?

V-ing perfect

couldn't I have been triffling?
couldn't you have been triffling?
couldn't he have been triffling?
couldn't we have been triffling?
couldn't you have been triffling?
couldn't they have been triffling?

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