English verb conjugation COULD MARL

Regular verb: marl - marled - marled

Affirmation

Simple form

I could marl
you could marl
he could marl
we could marl
you could marl
they could marl

V-ing form

I could be marling
you could be marling
he could be marling
we could be marling
you could be marling
they could be marling

Perfect

I could have marled
you could have marled
he could have marled
we could have marled
you could have marled
they could have marled

V-ing perfect

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

Negation

Simple form

I could not marl
you could not marl
he could not marl
we could not marl
you could not marl
they could not marl

V-ing form

I could not be marling
you could not be marling
he could not be marling
we could not be marling
you could not be marling
they could not be marling

Perfect

I could not have marled
you could not have marled
he could not have marled
we could not have marled
you could not have marled
they could not have marled

V-ing perfect

I could not have been marling
you could not have been marling
he could not have been marling
we could not have been marling
you could not have been marling
they could not have been marling

Interrogative form

Simple form

could I marl?
could you marl?
could he marl?
could we marl?
could you marl?
could they marl?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not marl?
could you not marl?
could he not marl?
could we not marl?
could you not marl?
could they not marl?

V-ing form

could I not be marling?
could you not be marling?
could he not be marling?
could we not be marling?
could you not be marling?
could they not be marling?

Perfect

could I not have marled?
could you not have marled?
could he not have marled?
could we not have marled?
could you not have marled?
could they not have marled?

V-ing perfect

could I not have been marling?
could you not have been marling?
could he not have been marling?
could we not have been marling?
could you not have been marling?
could they not have been marling?

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