can sinter
Verbo regular: sinter - sintered- sintered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can sinter
you can sinter
he can sinter
we can sinter
you can sinter
they can sinter 	I can be sintering
you can be sintering
he can be sintering
we can be sintering
you can be sintering
they can be sintering	I can have sintered
you can have sintered
he can have sintered
we can have sintered
you can have sintered
they can have sintered	I can have been sintering
you can have been sintering
he can have been sintering
we can have been sintering
you can have been sintering
they can have been sintering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot sinter
you cannot sinter
he cannot sinter
we cannot sinter
you cannot sinter
they cannot sinter 	I cannot be sintering
you cannot be sintering
he cannot be sintering
we cannot be sintering
you cannot be sintering
they cannot be sintering	I cannot have sintered
you cannot have sintered
he cannot have sintered
we cannot have sintered
you cannot have sintered
they cannot have sintered	I cannot have been sintering
you cannot have been sintering
he cannot have been sintering
we cannot have been sintering
you cannot have been sintering
they cannot have been sintering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I sinter?
can you sinter?
can he sinter?
can we sinter?
can you sinter?
can they sinter? 	can I be sintering?
can you be sintering?
can he be sintering?
can we be sintering?
can you be sintering?
can they be sintering? 	can I have sintered?
can you have sintered?
can he have sintered?
can we have sintered?
can you have sintered?
can they have sintered? 	can I have been sintering?
can you have been sintering?
can he have been sintering?
can we have been sintering?
can you have been sintering?
can they have been sintering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not sinter?
can you not sinter?
can he not sinter?
can we not sinter?
can you not sinter?
can they not sinter? 	can I not be sintering?
can you not be sintering?
can he not be sintering?
can we not be sintering?
can you not be sintering?
can they not be sintering? 	can I not have sintered?
can you not have sintered?
can he not have sintered?
can we not have sintered?
can you not have sintered?
can they not have sintered? 	can I not have been sintering?
can you not have been sintering?
can he not have been sintering?
can we not have been sintering?
can you not have been sintering?
can they not have been sintering?