ought to sharpen
Verbo regular: sharpen - sharpened- sharpened

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought to sharpen
you ought to sharpen
he ought to sharpen
we ought to sharpen
you ought to sharpen
they ought to sharpen 	I ought to be sharpening
you ought to be sharpening
he ought to be sharpening
we ought to be sharpening
you ought to be sharpening
they ought to be sharpening	I ought to have sharpened
you ought to have sharpened
he ought to have sharpened
we ought to have sharpened
you ought to have sharpened
they ought to have sharpened	I ought to have been sharpening
you ought to have been sharpening
he ought to have been sharpening
we ought to have been sharpening
you ought to have been sharpening
they ought to have been sharpening	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought not to sharpen
you ought not to sharpen
he ought not to sharpen
we ought not to sharpen
you ought not to sharpen
they ought not to sharpen 	I ought not to sharpening
you ought not to sharpening
he ought not to sharpening
we ought not to sharpening
you ought not to sharpening
they ought not to sharpening	I ought not to have sharpened
you ought not to have sharpened
he ought not to have sharpened
we ought not to have sharpened
you ought not to have sharpened
they ought not to have sharpened	I ought not to have been sharpening
you ought not to have been sharpening
he ought not to have been sharpening
we ought not to have been sharpening
you ought not to have been sharpening
they ought not to have been sharpening	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought to I sharpen?
ought to you sharpen?
ought to he sharpen?
ought to we sharpen?
ought to you sharpen?
ought to they sharpen? 	ought to I be sharpening?
ought to you be sharpening?
ought to he be sharpening?
ought to we be sharpening?
ought to you be sharpening?
ought to they be sharpening? 	ought to I have sharpened?
ought to you have sharpened?
ought to he have sharpened?
ought to we have sharpened?
ought to you have sharpened?
ought to they have sharpened? 	ought to I have been sharpening?
ought to you have been sharpening?
ought to he have been sharpening?
ought to we have been sharpening?
ought to you have been sharpening?
ought to they have been sharpening? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought I not to sharpen?
ought you not to sharpen?
ought he not to sharpen?
ought we not to sharpen?
ought you not to sharpen?
ought they not to sharpen? 	ought I not to be sharpening?
ought you not to be sharpening?
ought he not to be sharpening?
ought we not to be sharpening?
ought you not to be sharpening?
ought they not to be sharpening? 	ought I not to have sharpened?
ought you not to have sharpened?
ought he not to have sharpened?
ought we not to have sharpened?
ought you not to have sharpened?
ought they not to have sharpened? 	ought I not to have been sharpening?
ought you not to have been sharpening?
ought he not to have been sharpening?
ought we not to have been sharpening?
ought you not to have been sharpening?
ought they not to have been sharpening?