ought to tighten
Verbo regular: tighten - tightened- tightened

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought to tighten
you ought to tighten
he ought to tighten
we ought to tighten
you ought to tighten
they ought to tighten 	I ought to be tightening
you ought to be tightening
he ought to be tightening
we ought to be tightening
you ought to be tightening
they ought to be tightening	I ought to have tightened
you ought to have tightened
he ought to have tightened
we ought to have tightened
you ought to have tightened
they ought to have tightened	I ought to have been tightening
you ought to have been tightening
he ought to have been tightening
we ought to have been tightening
you ought to have been tightening
they ought to have been tightening	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought not to tighten
you ought not to tighten
he ought not to tighten
we ought not to tighten
you ought not to tighten
they ought not to tighten 	I ought not to tightening
you ought not to tightening
he ought not to tightening
we ought not to tightening
you ought not to tightening
they ought not to tightening	I ought not to have tightened
you ought not to have tightened
he ought not to have tightened
we ought not to have tightened
you ought not to have tightened
they ought not to have tightened	I ought not to have been tightening
you ought not to have been tightening
he ought not to have been tightening
we ought not to have been tightening
you ought not to have been tightening
they ought not to have been tightening	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought to I tighten?
ought to you tighten?
ought to he tighten?
ought to we tighten?
ought to you tighten?
ought to they tighten? 	ought to I be tightening?
ought to you be tightening?
ought to he be tightening?
ought to we be tightening?
ought to you be tightening?
ought to they be tightening? 	ought to I have tightened?
ought to you have tightened?
ought to he have tightened?
ought to we have tightened?
ought to you have tightened?
ought to they have tightened? 	ought to I have been tightening?
ought to you have been tightening?
ought to he have been tightening?
ought to we have been tightening?
ought to you have been tightening?
ought to they have been tightening? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought I not to tighten?
ought you not to tighten?
ought he not to tighten?
ought we not to tighten?
ought you not to tighten?
ought they not to tighten? 	ought I not to be tightening?
ought you not to be tightening?
ought he not to be tightening?
ought we not to be tightening?
ought you not to be tightening?
ought they not to be tightening? 	ought I not to have tightened?
ought you not to have tightened?
ought he not to have tightened?
ought we not to have tightened?
ought you not to have tightened?
ought they not to have tightened? 	ought I not to have been tightening?
ought you not to have been tightening?
ought he not to have been tightening?
ought we not to have been tightening?
ought you not to have been tightening?
ought they not to have been tightening?