English verb conjugation
CAN UNDERCOOL

Regular verb: undercool - undercooled - undercooled

Affirmation

Simple form	V-ing form
I can undercool you can undercool she can undercool we can undercool you can undercool they can undercool	I can be undercooling you can be undercooling she can be undercooling we can be undercooling you can be undercooling they can be undercooling
Perfect	V-ing perfect
I can have undercooled you can have undercooled she can have undercooled we can have undercooled you can have undercooled they can have undercooled	I can have been undercooling you can have been undercooling she can have been undercooling we can have been undercooling you can have been undercooling they can have been undercooling

Negation

Simple form	V-ing form
I can't undercool you can't undercool she can't undercool we can't undercool you can't undercool they can't undercool	I can't be undercooling you can't be undercooling she can't be undercooling we can't be undercooling you can't be undercooling they can't be undercooling
Perfect	V-ing perfect
I can't have undercooled you can't have undercooled she can't have undercooled we can't have undercooled you can't have undercooled they can't have undercooled	I can't have been undercooling you can't have been undercooling she can't have been undercooling we can't have been undercooling you can't have been undercooling they can't have been undercooling

Interrogative form

Simple form	V-ing form
can I undercool? can you undercool? can she undercool? can we undercool? can you undercool? can they undercool?	can I be undercooling? can you be undercooling? can she be undercooling? can we be undercooling? can you be undercooling? can they be undercooling?
Perfect	V-ing perfect
can I have undercooled? can you have undercooled? can she have undercooled? can we have undercooled? can you have undercooled? can they have undercooled?	can I have been undercooling? can you have been undercooling? can she have been undercooling? can we have been undercooling? can you have been undercooling? can they have been undercooling?

Interro-negative form

Simple form	V-ing form
can't I undercool? can't you undercool? can't she undercool? can't we undercool? can't you undercool? can't they undercool?	can't I be undercooling? can't you be undercooling? can't she be undercooling? can't we be undercooling? can't you be undercooling? can't they be undercooling?
Perfect	V-ing perfect
can't I have undercooled? can't you have undercooled? can't she have undercooled? can't we have undercooled? can't you have undercooled? can't they have undercooled?	can't I have been undercooling? can't you have been undercooling? can't she have been undercooling? can't we have been undercooling? can't you have been undercooling? can't they have been undercooling?