English verb conjugation COULD TUN

Regular verb: tun - tuned - tuned

Affirmation

Simple form

I could tun
you could tun
he could tun
we could tun
you could tun
they could tun

V-ing form

I could be tuning
you could be tuning
he could be tuning
we could be tuning
you could be tuning
they could be tuning

Perfect

I could have tuned
you could have tuned
he could have tuned
we could have tuned
you could have tuned
they could have tuned

V-ing perfect

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

Negation

Simple form

I could not tun
you could not tun
he could not tun
we could not tun
you could not tun
they could not tun

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I tun?
could you tun?
could he tun?
could we tun?
could you tun?
could they tun?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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