ought to sustain
Verbo regular: sustain - sustained- sustained

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought to sustain
you ought to sustain
he 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
he 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
he 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
he ought to have been sustaining
we ought to have been sustaining
you ought to have been sustaining
they ought to have been sustaining	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought not to sustain
you ought not to sustain
he ought not to sustain
we ought not to sustain
you ought not to sustain
they ought not to sustain 	I ought not to sustaining
you ought not to sustaining
he ought not to sustaining
we ought not to sustaining
you ought not to sustaining
they ought not to sustaining	I ought not to have sustained
you ought not to have sustained
he ought not to have sustained
we ought not to have sustained
you ought not to have sustained
they ought not to have sustained	I ought not to have been sustaining
you ought not to have been sustaining
he ought not to have been sustaining
we ought not to have been sustaining
you ought not to have been sustaining
they ought not to have been sustaining	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought to I sustain?
ought to you sustain?
ought to he 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 he 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 he 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 he have been sustaining?
ought to we have been sustaining?
ought to you have been sustaining?
ought to they have been sustaining? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought I not to sustain?
ought you not to sustain?
ought he not to sustain?
ought we not to sustain?
ought you not to sustain?
ought they not to sustain? 	ought I not to be sustaining?
ought you not to be sustaining?
ought he not to be sustaining?
ought we not to be sustaining?
ought you not to be sustaining?
ought they not to be sustaining? 	ought I not to have sustained?
ought you not to have sustained?
ought he not to have sustained?
ought we not to have sustained?
ought you not to have sustained?
ought they not to have sustained? 	ought I not to have been sustaining?
ought you not to have been sustaining?
ought he not to have been sustaining?
ought we not to have been sustaining?
ought you not to have been sustaining?
ought they not to have been sustaining?