should precancel
Verbo regular: precancel - precanceled- precanceled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should precancel
you should precancel
he should precancel
we should precancel
you should precancel
they should precancel 	I should be precanceling
you should be precanceling
he should be precanceling
we should be precanceling
you should be precanceling
they should be precanceling	I should have precanceled
you should have precanceled
he should have precanceled
we should have precanceled
you should have precanceled
they should have precanceled	I should have been precanceling
you should have been precanceling
he should have been precanceling
we should have been precanceling
you should have been precanceling
they should have been precanceling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not precancel
you should not precancel
he should not precancel
we should not precancel
you should not precancel
they should not precancel 	I should not be precanceling
you should not be precanceling
he should not be precanceling
we should not be precanceling
you should not be precanceling
they should not be precanceling	I should not have precanceled
you should not have precanceled
he should not have precanceled
we should not have precanceled
you should not have precanceled
they should not have precanceled	I should not have been precanceling
you should not have been precanceling
he should not have been precanceling
we should not have been precanceling
you should not have been precanceling
they should not have been precanceling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I precancel?
should you precancel?
should he precancel?
should we precancel?
should you precancel?
should they precancel? 	should I be precanceling?
should you be precanceling?
should he be precanceling?
should we be precanceling?
should you be precanceling?
should they be precanceling? 	should I have precanceled?
should you have precanceled?
should he have precanceled?
should we have precanceled?
should you have precanceled?
should they have precanceled? 	should I have been precanceling?
should you have been precanceling?
should he have been precanceling?
should we have been precanceling?
should you have been precanceling?
should they have been precanceling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not precancel?
should you not precancel?
should he not precancel?
should we not precancel?
should you not precancel?
should they not precancel? 	should I not be precanceling?
should you not be precanceling?
should he not be precanceling?
should we not be precanceling?
should you not be precanceling?
should they not be precanceling? 	should I not have precanceled?
should you not have precanceled?
should he not have precanceled?
should we not have precanceled?
should you not have precanceled?
should they not have precanceled? 	should I not have been precanceling?
should you not have been precanceling?
should he not have been precanceling?
should we not have been precanceling?
should you not have been precanceling?
should they not have been precanceling?