can tarnish
Verbo regular: tarnish - tarnished- tarnished

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot tarnish
you cannot tarnish
he cannot tarnish
we cannot tarnish
you cannot tarnish
they cannot tarnish 	I cannot be tarnishing
you cannot be tarnishing
he cannot be tarnishing
we cannot be tarnishing
you cannot be tarnishing
they cannot be tarnishing	I cannot have tarnished
you cannot have tarnished
he 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
he cannot have been tarnishing
we cannot have been tarnishing
you cannot have been tarnishing
they cannot have been tarnishing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not tarnish?
can you not tarnish?
can he 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 he 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 he 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 he not have been tarnishing?
can we not have been tarnishing?
can you not have been tarnishing?
can they not have been tarnishing?