can tarnish
Verbo regular: tarnish - tarnished- tarnished

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can tarnish
you can tarnish
she can tarnish
we can tarnish
you can tarnish
they can tarnish 	I can be tarnishing
you can be tarnishing
she can be tarnishing
we can be tarnishing
you can be tarnishing
they can be tarnishing	I can have tarnished
you can have tarnished
she can have tarnished
we can have tarnished
you can have tarnished
they can have tarnished	I can have been tarnishing
you can have been tarnishing
she can have been tarnishing
we can have been tarnishing
you can have been tarnishing
they can have been tarnishing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot tarnish
you cannot tarnish
she cannot tarnish
we cannot tarnish
you cannot tarnish
they cannot tarnish 	I cannot be tarnishing
you cannot be tarnishing
she cannot be tarnishing
we cannot be tarnishing
you cannot be tarnishing
they cannot be tarnishing	I cannot have tarnished
you cannot have tarnished
she cannot have tarnished
we cannot have tarnished
you cannot have tarnished
they cannot have tarnished	I cannot have been tarnishing
you cannot have been tarnishing
she cannot have been tarnishing
we cannot have been tarnishing
you cannot have been tarnishing
they cannot have been tarnishing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I tarnish?
can you tarnish?
can she tarnish?
can we tarnish?
can you tarnish?
can they tarnish? 	can I be tarnishing?
can you be tarnishing?
can she be tarnishing?
can we be tarnishing?
can you be tarnishing?
can they be tarnishing? 	can I have tarnished?
can you have tarnished?
can she have tarnished?
can we have tarnished?
can you have tarnished?
can they have tarnished? 	can I have been tarnishing?
can you have been tarnishing?
can she have been tarnishing?
can we have been tarnishing?
can you have been tarnishing?
can they have been tarnishing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not tarnish?
can you not tarnish?
can she not tarnish?
can we not tarnish?
can you not tarnish?
can they not tarnish? 	can I not be tarnishing?
can you not be tarnishing?
can she not be tarnishing?
can we not be tarnishing?
can you not be tarnishing?
can they not be tarnishing? 	can I not have tarnished?
can you not have tarnished?
can she not have tarnished?
can we not have tarnished?
can you not have tarnished?
can they not have tarnished? 	can I not have been tarnishing?
can you not have been tarnishing?
can she not have been tarnishing?
can we not have been tarnishing?
can you not have been tarnishing?
can they not have been tarnishing?