can contaminate
Verbo regular: contaminate - contaminated- contaminated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can contaminate
you can contaminate
he can contaminate
we can contaminate
you can contaminate
they can contaminate 	I can be contaminating
you can be contaminating
he can be contaminating
we can be contaminating
you can be contaminating
they can be contaminating	I can have contaminated
you can have contaminated
he can have contaminated
we can have contaminated
you can have contaminated
they can have contaminated	I can have been contaminating
you can have been contaminating
he can have been contaminating
we can have been contaminating
you can have been contaminating
they can have been contaminating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can't contaminate
you can't contaminate
he can't contaminate
we can't contaminate
you can't contaminate
they can't contaminate 	I can't be contaminating
you can't be contaminating
he can't be contaminating
we can't be contaminating
you can't be contaminating
they can't be contaminating	I can't have contaminated
you can't have contaminated
he can't have contaminated
we can't have contaminated
you can't have contaminated
they can't have contaminated	I can't have been contaminating
you can't have been contaminating
he can't have been contaminating
we can't have been contaminating
you can't have been contaminating
they can't have been contaminating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I contaminate?
can you contaminate?
can he contaminate?
can we contaminate?
can you contaminate?
can they contaminate? 	can I be contaminating?
can you be contaminating?
can he be contaminating?
can we be contaminating?
can you be contaminating?
can they be contaminating? 	can I have contaminated?
can you have contaminated?
can he have contaminated?
can we have contaminated?
can you have contaminated?
can they have contaminated? 	can I have been contaminating?
can you have been contaminating?
can he have been contaminating?
can we have been contaminating?
can you have been contaminating?
can they have been contaminating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can't I contaminate?
can't you contaminate?
can't he contaminate?
can't we contaminate?
can't you contaminate?
can't they contaminate? 	can't I be contaminating?
can't you be contaminating?
can't he be contaminating?
can't we be contaminating?
can't you be contaminating?
can't they be contaminating? 	can't I have contaminated?
can't you have contaminated?
can't he have contaminated?
can't we have contaminated?
can't you have contaminated?
can't they have contaminated? 	can't I have been contaminating?
can't you have been contaminating?
can't he have been contaminating?
can't we have been contaminating?
can't you have been contaminating?
can't they have been contaminating?