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 couldn't perfuse
you couldn't perfuse
he couldn't perfuse
we couldn't perfuse
you couldn't perfuse
they couldn't perfuse

V-ing form

I couldn't be perfusing
you couldn't be perfusing
he couldn't be perfusing
we couldn't be perfusing
you couldn't be perfusing
they couldn't be perfusing

Perfect

I couldn't have perfused
you couldn't have perfused
he couldn't have perfused
we couldn't have perfused
you couldn't have perfused
they couldn't have perfused

V-ing perfect

I couldn't have been perfusing
you couldn't have been perfusing
he couldn't have been perfusing
we couldn't have been perfusing
you couldn't have been perfusing
they couldn't 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

couldn't I perfuse?
couldn't you perfuse?
couldn't he perfuse?
couldn't we perfuse?
couldn't you perfuse?
couldn't they perfuse?

V-ing form

couldn't I be perfusing?
couldn't you be perfusing?
couldn't he be perfusing?
couldn't we be perfusing?
couldn't you be perfusing?
couldn't they be perfusing?

Perfect

couldn't I have perfused?
couldn't you have perfused?
couldn't he have perfused?
couldn't we have perfused?
couldn't you have perfused?
couldn't they have perfused?

V-ing perfect

couldn't I have been perfusing?
couldn't you have been perfusing?
couldn't he have been perfusing?
couldn't we have been perfusing?
couldn't you have been perfusing?
couldn't they have been perfusing?

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