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
she can sinter
we can sinter
you can sinter
they can sinter 	I can be sintering
you can be sintering
she can be sintering
we can be sintering
you can be sintering
they can be sintering	I can have sintered
you can have sintered
she 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
she 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 can't sinter
you can't sinter
she can't sinter
we can't sinter
you can't sinter
they can't sinter 	I can't be sintering
you can't be sintering
she can't be sintering
we can't be sintering
you can't be sintering
they can't be sintering	I can't have sintered
you can't have sintered
she can't have sintered
we can't have sintered
you can't have sintered
they can't have sintered	I can't have been sintering
you can't have been sintering
she can't have been sintering
we can't have been sintering
you can't have been sintering
they can't have been sintering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I sinter?
can you sinter?
can she sinter?
can we sinter?
can you sinter?
can they sinter? 	can I be sintering?
can you be sintering?
can she be sintering?
can we be sintering?
can you be sintering?
can they be sintering? 	can I have sintered?
can you have sintered?
can she 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 she 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't I sinter?
can't you sinter?
can't she sinter?
can't we sinter?
can't you sinter?
can't they sinter? 	can't I be sintering?
can't you be sintering?
can't she be sintering?
can't we be sintering?
can't you be sintering?
can't they be sintering? 	can't I have sintered?
can't you have sintered?
can't she have sintered?
can't we have sintered?
can't you have sintered?
can't they have sintered? 	can't I have been sintering?
can't you have been sintering?
can't she have been sintering?
can't we have been sintering?
can't you have been sintering?
can't they have been sintering?