should preclean
Verbo regular: preclean - precleaned- precleaned

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I'd preclean
you'd preclean
he'd preclean
we'd preclean
you'd preclean
they'd preclean 	I'd be precleaning
you'd be precleaning
he'd be precleaning
we'd be precleaning
you'd be precleaning
they'd be precleaning	I should've precleaned
you should've precleaned
he should've precleaned
we should've precleaned
you should've precleaned
they should've precleaned	I should've been precleaning
you should've been precleaning
he should've been precleaning
we should've been precleaning
you should've been precleaning
they should've been precleaning	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shouldn't preclean
you shouldn't preclean
he shouldn't preclean
we shouldn't preclean
you shouldn't preclean
they shouldn't preclean 	I shouldn't be precleaning
you shouldn't be precleaning
he shouldn't be precleaning
we shouldn't be precleaning
you shouldn't be precleaning
they shouldn't be precleaning	I shouldn't have precleaned
you shouldn't have precleaned
he shouldn't have precleaned
we shouldn't have precleaned
you shouldn't have precleaned
they shouldn't have precleaned	I shouldn't have been precleaning
you shouldn't have been precleaning
he shouldn't have been precleaning
we shouldn't have been precleaning
you shouldn't have been precleaning
they shouldn't have been precleaning	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I preclean?
should you preclean?
should he preclean?
should we preclean?
should you preclean?
should they preclean? 	should I be precleaning?
should you be precleaning?
should he be precleaning?
should we be precleaning?
should you be precleaning?
should they be precleaning? 	should I have precleaned?
should you have precleaned?
should he have precleaned?
should we have precleaned?
should you have precleaned?
should they have precleaned? 	should I have been precleaning?
should you have been precleaning?
should he have been precleaning?
should we have been precleaning?
should you have been precleaning?
should they have been precleaning? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shouldn't I preclean?
shouldn't you preclean?
shouldn't he preclean?
shouldn't we preclean?
shouldn't you preclean?
shouldn't they preclean? 	shouldn't I be precleaning?
shouldn't you be precleaning?
shouldn't he be precleaning?
shouldn't we be precleaning?
shouldn't you be precleaning?
shouldn't they be precleaning? 	shouldn't I have precleaned?
shouldn't you have precleaned?
shouldn't he have precleaned?
shouldn't we have precleaned?
shouldn't you have precleaned?
shouldn't they have precleaned? 	shouldn't I have been precleaning?
shouldn't you have been precleaning?
shouldn't he have been precleaning?
shouldn't we have been precleaning?
shouldn't you have been precleaning?
shouldn't they have been precleaning?