English verb conjugation COULD CUBE

Regular verb: cube - cubed - cubed

Affirmation

Simple form

I could cube
you could cube
she could cube
we could cube
you could cube
they could cube

V-ing form

I could be cubing
you could be cubing
she could be cubing
we could be cubing
you could be cubing
they could be cubing

Perfect

I could have cubed
you could have cubed
she could have cubed
we could have cubed
you could have cubed
they could have cubed

V-ing perfect

I could have been cubing
you could have been cubing
she could have been cubing
we could have been cubing
you could have been cubing
they could have been cubing

Negation

Simple form

I could not cube
you could not cube
she could not cube
we could not cube
you could not cube
they could not cube

V-ing form

I could not be cubing
you could not be cubing
she could not be cubing
we could not be cubing
you could not be cubing
they could not be cubing

Perfect

I could not have cubed
you could not have cubed
she could not have cubed
we could not have cubed
you could not have cubed
they could not have cubed

V-ing perfect

I could not have been cubing
you could not have been cubing
she could not have been cubing
we could not have been cubing
you could not have been cubing
they could not have been cubing

Interrogative form

Simple form

could I cube?
could you cube?
could she cube?
could we cube?
could you cube?
could they cube?

V-ing form

could I be cubing?
could you be cubing?
could she be cubing?
could we be cubing?
could you be cubing?
could they be cubing?

Perfect

could I have cubed?
could you have cubed?
could she have cubed?
could we have cubed?
could you have cubed?
could they have cubed?

V-ing perfect

could I have been cubing?
could you have been cubing?
could she have been cubing?
could we have been cubing?
could you have been cubing?
could they have been cubing?

Interro-negative form

Simple form

could I not cube?
could you not cube?
could she not cube?
could we not cube?
could you not cube?
could they not cube?

V-ing form

could I not be cubing?
could you not be cubing?
could she not be cubing?
could we not be cubing?
could you not be cubing?
could they not be cubing?

Perfect

could I not have cubed?
could you not have cubed?
could she not have cubed?
could we not have cubed?
could you not have cubed?
could they not have cubed?

V-ing perfect

could I not have been cubing?
could you not have been cubing?
could she not have been cubing?
could we not have been cubing?
could you not have been cubing?
could they not have been cubing?

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