English verb conjugation COULD UNDERCOOL

Regular verb: undercool - undercooled - undercooled

Affirmation

Simple form

I could undercool
you could undercool
he could undercool
we could undercool
you could undercool
they could undercool

V-ing form

I could be undercooling
you could be undercooling
he could be undercooling
we could be undercooling
you could be undercooling
they could be undercooling

Perfect

I could have undercooled
you could have undercooled
he could have undercooled
we could have undercooled
you could have undercooled
they could have undercooled

V-ing perfect

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

Negation

Simple form

I couldn't undercool
you couldn't undercool
he couldn't undercool
we couldn't undercool
you couldn't undercool
they couldn't undercool

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I undercool?
could you undercool?
could he undercool?
could we undercool?
could you undercool?
could they undercool?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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