English verb conjugation COULD CONCOCT

Regular verb: concoct - concocted - concocted

Affirmation

Simple form

I could concoct
you could concoct
he could concoct
we could concoct
you could concoct
they could concoct

V-ing form

I could be concocting
you could be concocting
he could be concocting
we could be concocting
you could be concocting
they could be concocting

Perfect

I could have concocted
you could have concocted
he could have concocted
we could have concocted
you could have concocted
they could have concocted

V-ing perfect

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

Negation

Simple form

I could not concoct
you could not concoct
he could not concoct
we could not concoct
you could not concoct
they could not concoct

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I concoct?
could you concoct?
could he concoct?
could we concoct?
could you concoct?
could they concoct?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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