should sinter
Verbo regular: sinter - sintered- sintered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should sinter
you should sinter
he should sinter
we should sinter
you should sinter
they should sinter 	I should be sintering
you should be sintering
he should be sintering
we should be sintering
you should be sintering
they should be sintering	I should have sintered
you should have sintered
he should have sintered
we should have sintered
you should have sintered
they should have sintered	I should have been sintering
you should have been sintering
he should have been sintering
we should have been sintering
you should have been sintering
they should have been sintering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not sinter
you should not sinter
he should not sinter
we should not sinter
you should not sinter
they should not sinter 	I should not be sintering
you should not be sintering
he should not be sintering
we should not be sintering
you should not be sintering
they should not be sintering	I should not have sintered
you should not have sintered
he should not have sintered
we should not have sintered
you should not have sintered
they should not have sintered	I should not have been sintering
you should not have been sintering
he should not have been sintering
we should not have been sintering
you should not have been sintering
they should not have been sintering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I sinter?
should you sinter?
should he sinter?
should we sinter?
should you sinter?
should they sinter? 	should I be sintering?
should you be sintering?
should he be sintering?
should we be sintering?
should you be sintering?
should they be sintering? 	should I have sintered?
should you have sintered?
should he have sintered?
should we have sintered?
should you have sintered?
should they have sintered? 	should I have been sintering?
should you have been sintering?
should he have been sintering?
should we have been sintering?
should you have been sintering?
should they have been sintering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not sinter?
should you not sinter?
should he not sinter?
should we not sinter?
should you not sinter?
should they not sinter? 	should I not be sintering?
should you not be sintering?
should he not be sintering?
should we not be sintering?
should you not be sintering?
should they not be sintering? 	should I not have sintered?
should you not have sintered?
should he not have sintered?
should we not have sintered?
should you not have sintered?
should they not have sintered? 	should I not have been sintering?
should you not have been sintering?
should he not have been sintering?
should we not have been sintering?
should you not have been sintering?
should they not have been sintering?