English verb conjugation COULD SUE

Regular verb: sue - sued - sued

Affirmation

Simple form

I could sue
you could sue
he could sue
we could sue
you could sue
they could sue

V-ing form

I could be suing
you could be suing
he could be suing
we could be suing
you could be suing
they could be suing

Perfect

I could have sued
you could have sued
he could have sued
we could have sued
you could have sued
they could have sued

V-ing perfect

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

Negation

Simple form

I could not sue
you could not sue
he could not sue
we could not sue
you could not sue
they could not sue

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I sue?
could you sue?
could he sue?
could we sue?
could you sue?
could they sue?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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