English verb conjugation COULD FOREWARN

Regular verb: forewarn - forewarned - forewarned

Affirmation

Simple form

I could forewarn
you could forewarn
he could forewarn
we could forewarn
you could forewarn
they could forewarn

V-ing form

I could be forewarning
you could be forewarning
he could be forewarning
we could be forewarning
you could be forewarning
they could be forewarning

Perfect

I could have forewarned
you could have forewarned
he could have forewarned
we could have forewarned
you could have forewarned
they could have forewarned

V-ing perfect

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

Negation

Simple form

I could not forewarn
you could not forewarn
he could not forewarn
we could not forewarn
you could not forewarn
they could not forewarn

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I forewarn?
could you forewarn?
could he forewarn?
could we forewarn?
could you forewarn?
could they forewarn?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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