English verb conjugation
COULD SUPERCOOL

Regular verb: supercool - supercooled - supercooled

Affirmation

Simple form	V-ing form
I could supercool you could supercool he could supercool we could supercool you could supercool they could supercool	I could be supercooling you could be supercooling he could be supercooling we could be supercooling you could be supercooling they could be supercooling
Perfect	V-ing perfect
I could have supercooled you could have supercooled he could have supercooled we could have supercooled you could have supercooled they could have supercooled	I could have been supercooling you could have been supercooling he could have been supercooling we could have been supercooling you could have been supercooling they could have been supercooling

Negation

Simple form	V-ing form
I couldn't supercool you couldn't supercool he couldn't supercool we couldn't supercool you couldn't supercool they couldn't supercool	I couldn't be supercooling you couldn't be supercooling he couldn't be supercooling we couldn't be supercooling you couldn't be supercooling they couldn't be supercooling
Perfect	V-ing perfect
I couldn't have supercooled you couldn't have supercooled he couldn't have supercooled we couldn't have supercooled you couldn't have supercooled they couldn't have supercooled	I couldn't have been supercooling you couldn't have been supercooling he couldn't have been supercooling we couldn't have been supercooling you couldn't have been supercooling they couldn't have been supercooling

Interrogative form

Simple form	V-ing form
could I supercool? could you supercool? could he supercool? could we supercool? could you supercool? could they supercool?	could I be supercooling? could you be supercooling? could he be supercooling? could we be supercooling? could you be supercooling? could they be supercooling?
Perfect	V-ing perfect
could I have supercooled? could you have supercooled? could he have supercooled? could we have supercooled? could you have supercooled? could they have supercooled?	could I have been supercooling? could you have been supercooling? could he have been supercooling? could we have been supercooling? could you have been supercooling? could they have been supercooling?

Interro-negative form

Simple form	V-ing form
couldn't I supercool? couldn't you supercool? couldn't he supercool? couldn't we supercool? couldn't you supercool? couldn't they supercool?	couldn't I be supercooling? couldn't you be supercooling? couldn't he be supercooling? couldn't we be supercooling? couldn't you be supercooling? couldn't they be supercooling?
Perfect	V-ing perfect
couldn't I have supercooled? couldn't you have supercooled? couldn't he have supercooled? couldn't we have supercooled? couldn't you have supercooled? couldn't they have supercooled?	couldn't I have been supercooling? couldn't you have been supercooling? couldn't he have been supercooling? couldn't we have been supercooling? couldn't you have been supercooling? couldn't they have been supercooling?