ought to contaminate
Verbo regular: contaminate - contaminated- contaminated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought to contaminate
you ought to contaminate
she ought to contaminate
we ought to contaminate
you ought to contaminate
they ought to contaminate 	I ought to be contaminating
you ought to be contaminating
she ought to be contaminating
we ought to be contaminating
you ought to be contaminating
they ought to be contaminating	I ought to have contaminated
you ought to have contaminated
she ought to have contaminated
we ought to have contaminated
you ought to have contaminated
they ought to have contaminated	I ought to have been contaminating
you ought to have been contaminating
she ought to have been contaminating
we ought to have been contaminating
you ought to have been contaminating
they ought to have been contaminating	

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

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought to I contaminate?
ought to you contaminate?
ought to she contaminate?
ought to we contaminate?
ought to you contaminate?
ought to they contaminate? 	ought to I be contaminating?
ought to you be contaminating?
ought to she be contaminating?
ought to we be contaminating?
ought to you be contaminating?
ought to they be contaminating? 	ought to I have contaminated?
ought to you have contaminated?
ought to she have contaminated?
ought to we have contaminated?
ought to you have contaminated?
ought to they have contaminated? 	ought to I have been contaminating?
ought to you have been contaminating?
ought to she have been contaminating?
ought to we have been contaminating?
ought to you have been contaminating?
ought to they have been contaminating? 	

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