ought to sustain
Verbo regular: sustain - sustained- sustained

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought to sustain
you ought to sustain
she ought to sustain
we ought to sustain
you ought to sustain
they ought to sustain 	I ought to be sustaining
you ought to be sustaining
she ought to be sustaining
we ought to be sustaining
you ought to be sustaining
they ought to be sustaining	I ought to have sustained
you ought to have sustained
she ought to have sustained
we ought to have sustained
you ought to have sustained
they ought to have sustained	I ought to have been sustaining
you ought to have been sustaining
she ought to have been sustaining
we ought to have been sustaining
you ought to have been sustaining
they ought to have been sustaining	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I oughtn't to sustain
you oughtn't to sustain
she oughtn't to sustain
we oughtn't to sustain
you oughtn't to sustain
they oughtn't to sustain 	I oughtn't to be sustaining
you oughtn't to be sustaining
she oughtn't to be sustaining
we oughtn't to be sustaining
you oughtn't to be sustaining
they oughtn't to be sustaining	I oughtn't to have sustained
you oughtn't to have sustained
she oughtn't to have sustained
we oughtn't to have sustained
you oughtn't to have sustained
they oughtn't to have sustained	I oughtn't to have been sustaining
you oughtn't to have been sustaining
she oughtn't to have been sustaining
we oughtn't to have been sustaining
you oughtn't to have been sustaining
they oughtn't to have been sustaining	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought to I sustain?
ought to you sustain?
ought to she sustain?
ought to we sustain?
ought to you sustain?
ought to they sustain? 	ought to I be sustaining?
ought to you be sustaining?
ought to she be sustaining?
ought to we be sustaining?
ought to you be sustaining?
ought to they be sustaining? 	ought to I have sustained?
ought to you have sustained?
ought to she have sustained?
ought to we have sustained?
ought to you have sustained?
ought to they have sustained? 	ought to I have been sustaining?
ought to you have been sustaining?
ought to she have been sustaining?
ought to we have been sustaining?
ought to you have been sustaining?
ought to they have been sustaining? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
oughtn't I to sustain?
oughtn't you to sustain?
oughtn't she to sustain?
oughtn't we to sustain?
oughtn't you to sustain?
oughtn't they to sustain? 	oughtn't I to be sustaining?
oughtn't you to be sustaining?
oughtn't she to be sustaining?
oughtn't we to be sustaining?
oughtn't you to be sustaining?
oughtn't they to be sustaining? 	oughtn't I to have sustained?
oughtn't you to have sustained?
oughtn't she to have sustained?
oughtn't we to have sustained?
oughtn't you to have sustained?
oughtn't they to have sustained? 	oughtn't I to have been sustaining?
oughtn't you to have been sustaining?
oughtn't she to have been sustaining?
oughtn't we to have been sustaining?
oughtn't you to have been sustaining?
oughtn't they to have been sustaining?