English verb conjugation COULD PERFUSE

Regular verb: perfuse - perfused - perfused

Affirmation

Simple form

I could perfuse
you could perfuse
he could perfuse
we could perfuse
you could perfuse
they could perfuse

V-ing form

I could be perfusing
you could be perfusing
he could be perfusing
we could be perfusing
you could be perfusing
they could be perfusing

Perfect

I could have perfused
you could have perfused
he could have perfused
we could have perfused
you could have perfused
they could have perfused

V-ing perfect

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

Negation

Simple form

I could not perfuse
you could not perfuse
he could not perfuse
we could not perfuse
you could not perfuse
they could not perfuse

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I perfuse?
could you perfuse?
could he perfuse?
could we perfuse?
could you perfuse?
could they perfuse?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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