ought to decrease
Verbo regular: decrease - decreased- decreased

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought to decrease
you ought to decrease
she ought to decrease
we ought to decrease
you ought to decrease
they ought to decrease 	I ought to be decreasing
you ought to be decreasing
she ought to be decreasing
we ought to be decreasing
you ought to be decreasing
they ought to be decreasing	I ought to have decreased
you ought to have decreased
she ought to have decreased
we ought to have decreased
you ought to have decreased
they ought to have decreased	I ought to have been decreasing
you ought to have been decreasing
she ought to have been decreasing
we ought to have been decreasing
you ought to have been decreasing
they ought to have been decreasing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I oughtn't to decrease
you oughtn't to decrease
she oughtn't to decrease
we oughtn't to decrease
you oughtn't to decrease
they oughtn't to decrease 	I oughtn't to be decreasing
you oughtn't to be decreasing
she oughtn't to be decreasing
we oughtn't to be decreasing
you oughtn't to be decreasing
they oughtn't to be decreasing	I oughtn't to have decreased
you oughtn't to have decreased
she oughtn't to have decreased
we oughtn't to have decreased
you oughtn't to have decreased
they oughtn't to have decreased	I oughtn't to have been decreasing
you oughtn't to have been decreasing
she oughtn't to have been decreasing
we oughtn't to have been decreasing
you oughtn't to have been decreasing
they oughtn't to have been decreasing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought to I decrease?
ought to you decrease?
ought to she decrease?
ought to we decrease?
ought to you decrease?
ought to they decrease? 	ought to I be decreasing?
ought to you be decreasing?
ought to she be decreasing?
ought to we be decreasing?
ought to you be decreasing?
ought to they be decreasing? 	ought to I have decreased?
ought to you have decreased?
ought to she have decreased?
ought to we have decreased?
ought to you have decreased?
ought to they have decreased? 	ought to I have been decreasing?
ought to you have been decreasing?
ought to she have been decreasing?
ought to we have been decreasing?
ought to you have been decreasing?
ought to they have been decreasing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
oughtn't I to decrease?
oughtn't you to decrease?
oughtn't she to decrease?
oughtn't we to decrease?
oughtn't you to decrease?
oughtn't they to decrease? 	oughtn't I to be decreasing?
oughtn't you to be decreasing?
oughtn't she to be decreasing?
oughtn't we to be decreasing?
oughtn't you to be decreasing?
oughtn't they to be decreasing? 	oughtn't I to have decreased?
oughtn't you to have decreased?
oughtn't she to have decreased?
oughtn't we to have decreased?
oughtn't you to have decreased?
oughtn't they to have decreased? 	oughtn't I to have been decreasing?
oughtn't you to have been decreasing?
oughtn't she to have been decreasing?
oughtn't we to have been decreasing?
oughtn't you to have been decreasing?
oughtn't they to have been decreasing?