English verb conjugation COULD FAST FAST

Regular verb: fast fast - fast fasted - fast fasted

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form

I could fast fast
you could fast fast
he could fast fast
we could fast fast
you could fast fast
they could fast fast

V-ing form

I could be fast fasting
you could be fast fasting
he could be fast fasting
we could be fast fasting
you could be fast fasting
they could be fast fasting

Perfect

I could have fast fasted
you could have fast fasted
he could have fast fasted
we could have fast fasted
you could have fast fasted
they could have fast fasted

V-ing perfect

I could have been fast fasting
you could have been fast fasting
he could have been fast fasting
we could have been fast fasting
you could have been fast fasting
they could have been fast fasting

Negation

Simple form

I could not fast fast
you could not fast fast
he could not fast fast
we could not fast fast
you could not fast fast
they could not fast fast

V-ing form

I could not be fast fasting
you could not be fast fasting
he could not be fast fasting
we could not be fast fasting
you could not be fast fasting
they could not be fast fasting

Perfect

I could not have fast fasted
you could not have fast fasted
he could not have fast fasted
we could not have fast fasted
you could not have fast fasted
they could not have fast fasted

V-ing perfect

I could not have been fast fasting
you could not have been fast fasting
he could not have been fast fasting
we could not have been fast fasting
you could not have been fast fasting
they could not have been fast fasting

Interrogative form

Simple form

could I fast fast?
could you fast fast?
could he fast fast?
could we fast fast?
could you fast fast?
could they fast fast?

V-ing form

could I be fast fasting?
could you be fast fasting?
could he be fast fasting?
could we be fast fasting?
could you be fast fasting?
could they be fast fasting?

Perfect

could I have fast fasted?
could you have fast fasted?
could he have fast fasted?
could we have fast fasted?
could you have fast fasted?
could they have fast fasted?

V-ing perfect

could I have been fast fasting?
could you have been fast fasting?
could he have been fast fasting?
could we have been fast fasting?
could you have been fast fasting?
could they have been fast fasting?

Interro-negative form

Simple form

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

V-ing form

could I not be fast fasting?
could you not be fast fasting?
could he not be fast fasting?
could we not be fast fasting?
could you not be fast fasting?
could they not be fast fasting?

Perfect

could I not have fast fasted?
could you not have fast fasted?
could he not have fast fasted?
could we not have fast fasted?
could you not have fast fasted?
could they not have fast fasted?

V-ing perfect

could I not have been fast fasting?
could you not have been fast fasting?
could he not have been fast fasting?
could we not have been fast fasting?
could you not have been fast fasting?
could they not have been fast fasting?

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