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 couldn't sue
you couldn't sue
he couldn't sue
we couldn't sue
you couldn't sue
they couldn't sue

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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