English verb conjugation COULD OPINE

Regular verb: opine - opined - opined

Affirmation

Simple form

I could opine
you could opine
he could opine
we could opine
you could opine
they could opine

V-ing form

I could be opining
you could be opining
he could be opining
we could be opining
you could be opining
they could be opining

Perfect

I could have opined
you could have opined
he could have opined
we could have opined
you could have opined
they could have opined

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I opine?
could you opine?
could he opine?
could we opine?
could you opine?
could they opine?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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