English verb conjugation COULD FINE-TUNE

Regular verb: fine-tune - fine-tuned - fine-tuned

Affirmation

Simple form

I could fine-tune
you could fine-tune
he could fine-tune
we could fine-tune
you could fine-tune
they could fine-tune

V-ing form

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

Perfect

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

V-ing perfect

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

Negation

Simple form

I could not fine-tune
you could not fine-tune
he could not fine-tune
we could not fine-tune
you could not fine-tune
they could not fine-tune

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I fine-tune?
could you fine-tune?
could he fine-tune?
could we fine-tune?
could you fine-tune?
could they fine-tune?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not fine-tune?
could you not fine-tune?
could he not fine-tune?
could we not fine-tune?
could you not fine-tune?
could they not fine-tune?

V-ing form

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

Perfect

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

V-ing perfect

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

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