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
he can tarnish
we can tarnish
you can tarnish
they can tarnish 	I can be tarnishing
you can be tarnishing
he can be tarnishing
we can be tarnishing
you can be tarnishing
they can be tarnishing	I can have tarnished
you can have tarnished
he 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
he 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 can't tarnish
you can't tarnish
he can't tarnish
we can't tarnish
you can't tarnish
they can't tarnish 	I can't be tarnishing
you can't be tarnishing
he can't be tarnishing
we can't be tarnishing
you can't be tarnishing
they can't be tarnishing	I can't have tarnished
you can't have tarnished
he can't have tarnished
we can't have tarnished
you can't have tarnished
they can't have tarnished	I can't have been tarnishing
you can't have been tarnishing
he can't have been tarnishing
we can't have been tarnishing
you can't have been tarnishing
they can't have been tarnishing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I tarnish?
can you tarnish?
can he tarnish?
can we tarnish?
can you tarnish?
can they tarnish? 	can I be tarnishing?
can you be tarnishing?
can he be tarnishing?
can we be tarnishing?
can you be tarnishing?
can they be tarnishing? 	can I have tarnished?
can you have tarnished?
can he 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 he 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't I tarnish?
can't you tarnish?
can't he tarnish?
can't we tarnish?
can't you tarnish?
can't they tarnish? 	can't I be tarnishing?
can't you be tarnishing?
can't he be tarnishing?
can't we be tarnishing?
can't you be tarnishing?
can't they be tarnishing? 	can't I have tarnished?
can't you have tarnished?
can't he have tarnished?
can't we have tarnished?
can't you have tarnished?
can't they have tarnished? 	can't I have been tarnishing?
can't you have been tarnishing?
can't he have been tarnishing?
can't we have been tarnishing?
can't you have been tarnishing?
can't they have been tarnishing?