English verb conjugation
CAN PRECOOL

Regular verb: precool - precooled - precooled

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

Simple form	V-ing form
can I not precool? can you not precool? can she not precool? can we not precool? can you not precool? can they not precool?	can I not be precooling? can you not be precooling? can she not be precooling? can we not be precooling? can you not be precooling? can they not be precooling?
Perfect	V-ing perfect
can I not have precooled? can you not have precooled? can she not have precooled? can we not have precooled? can you not have precooled? can they not have precooled?	can I not have been precooling? can you not have been precooling? can she not have been precooling? can we not have been precooling? can you not have been precooling? can they not have been precooling?