English verb conjugation
COULD COOL

Regular verb: cool - cooled - cooled

Affirmation

Simple form	V-ing form
I could cool you could cool she could cool we could cool you could cool they could cool	I could be cooling you could be cooling she could be cooling we could be cooling you could be cooling they could be cooling
Perfect	V-ing perfect
I could have cooled you could have cooled she could have cooled we could have cooled you could have cooled they could have cooled	I could have been cooling you could have been cooling she could have been cooling we could have been cooling you could have been cooling they could have been cooling

Negation

Simple form	V-ing form
I couldn't cool you couldn't cool she couldn't cool we couldn't cool you couldn't cool they couldn't cool	I couldn't be cooling you couldn't be cooling she couldn't be cooling we couldn't be cooling you couldn't be cooling they couldn't be cooling
Perfect	V-ing perfect
I couldn't have cooled you couldn't have cooled she couldn't have cooled we couldn't have cooled you couldn't have cooled they couldn't have cooled	I couldn't have been cooling you couldn't have been cooling she couldn't have been cooling we couldn't have been cooling you couldn't have been cooling they couldn't have been cooling

Interrogative form

Simple form	V-ing form
could I cool? could you cool? could she cool? could we cool? could you cool? could they cool?	could I be cooling? could you be cooling? could she be cooling? could we be cooling? could you be cooling? could they be cooling?
Perfect	V-ing perfect
could I have cooled? could you have cooled? could she have cooled? could we have cooled? could you have cooled? could they have cooled?	could I have been cooling? could you have been cooling? could she have been cooling? could we have been cooling? could you have been cooling? could they have been cooling?

Interro-negative form

Simple form	V-ing form
couldn't I cool? couldn't you cool? couldn't she cool? couldn't we cool? couldn't you cool? couldn't they cool?	couldn't I be cooling? couldn't you be cooling? couldn't she be cooling? couldn't we be cooling? couldn't you be cooling? couldn't they be cooling?
Perfect	V-ing perfect
couldn't I have cooled? couldn't you have cooled? couldn't she have cooled? couldn't we have cooled? couldn't you have cooled? couldn't they have cooled?	couldn't I have been cooling? couldn't you have been cooling? couldn't she have been cooling? couldn't we have been cooling? couldn't you have been cooling? couldn't they have been cooling?