English verb conjugation
SHOULD PRECOOL

Regular verb: precool - precooled - precooled

Affirmation

Simple form	V-ing form
I'd precool you'd precool she'd precool we'd precool you'd precool they'd precool	I'd be precooling you'd be precooling she'd be precooling we'd be precooling you'd be precooling they'd be precooling
Perfect	V-ing perfect
I should've precooled you should've precooled she should've precooled we should've precooled you should've precooled they should've precooled	I should've been precooling you should've been precooling she should've been precooling we should've been precooling you should've been precooling they should've been precooling

Negation

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

Interrogative form

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

Interro-negative form

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