English verb conjugation
COULD PRECOOL

Regular verb: precool - precooled - precooled

Affirmation

Simple form	V-ing form
I could precool you could precool she could precool we could precool you could precool they could precool	I could be precooling you could be precooling she could be precooling we could be precooling you could be precooling they could be precooling
Perfect	V-ing perfect
I could have precooled you could have precooled she could have precooled we could have precooled you could have precooled they could have precooled	I could have been precooling you could have been precooling she could have been precooling we could have been precooling you could have been precooling they could have been precooling

Negation

Simple form	V-ing form
I couldn't precool you couldn't precool she couldn't precool we couldn't precool you couldn't precool they couldn't precool	I couldn't be precooling you couldn't be precooling she couldn't be precooling we couldn't be precooling you couldn't be precooling they couldn't be precooling
Perfect	V-ing perfect
I couldn't have precooled you couldn't have precooled she couldn't have precooled we couldn't have precooled you couldn't have precooled they couldn't have precooled	I couldn't have been precooling you couldn't have been precooling she couldn't have been precooling we couldn't have been precooling you couldn't have been precooling they couldn't have been precooling

Interrogative form

Simple form	V-ing form
could I precool? could you precool? could she precool? could we precool? could you precool? could they precool?	could I be precooling? could you be precooling? could she be precooling? could we be precooling? could you be precooling? could they be precooling?
Perfect	V-ing perfect
could I have precooled? could you have precooled? could she have precooled? could we have precooled? could you have precooled? could they have precooled?	could I have been precooling? could you have been precooling? could she have been precooling? could we have been precooling? could you have been precooling? could they have been precooling?

Interro-negative form

Simple form	V-ing form
couldn't I precool? couldn't you precool? couldn't she precool? couldn't we precool? couldn't you precool? couldn't they precool?	couldn't I be precooling? couldn't you be precooling? couldn't she be precooling? couldn't we be precooling? couldn't you be precooling? couldn't they be precooling?
Perfect	V-ing perfect
couldn't I have precooled? couldn't you have precooled? couldn't she have precooled? couldn't we have precooled? couldn't you have precooled? couldn't they have precooled?	couldn't I have been precooling? couldn't you have been precooling? couldn't she have been precooling? couldn't we have been precooling? couldn't you have been precooling? couldn't they have been precooling?