ought to fret
Verbo regular: fret - fretted- fretted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought to fret
you ought to fret
he ought to fret
we ought to fret
you ought to fret
they ought to fret 	I ought to be fretting
you ought to be fretting
he ought to be fretting
we ought to be fretting
you ought to be fretting
they ought to be fretting	I ought to have fretted
you ought to have fretted
he ought to have fretted
we ought to have fretted
you ought to have fretted
they ought to have fretted	I ought to have been fretting
you ought to have been fretting
he ought to have been fretting
we ought to have been fretting
you ought to have been fretting
they ought to have been fretting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought not to fret
you ought not to fret
he ought not to fret
we ought not to fret
you ought not to fret
they ought not to fret 	I ought not to fretting
you ought not to fretting
he ought not to fretting
we ought not to fretting
you ought not to fretting
they ought not to fretting	I ought not to have fretted
you ought not to have fretted
he ought not to have fretted
we ought not to have fretted
you ought not to have fretted
they ought not to have fretted	I ought not to have been fretting
you ought not to have been fretting
he ought not to have been fretting
we ought not to have been fretting
you ought not to have been fretting
they ought not to have been fretting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought to I fret?
ought to you fret?
ought to he fret?
ought to we fret?
ought to you fret?
ought to they fret? 	ought to I be fretting?
ought to you be fretting?
ought to he be fretting?
ought to we be fretting?
ought to you be fretting?
ought to they be fretting? 	ought to I have fretted?
ought to you have fretted?
ought to he have fretted?
ought to we have fretted?
ought to you have fretted?
ought to they have fretted? 	ought to I have been fretting?
ought to you have been fretting?
ought to he have been fretting?
ought to we have been fretting?
ought to you have been fretting?
ought to they have been fretting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought I not to fret?
ought you not to fret?
ought he not to fret?
ought we not to fret?
ought you not to fret?
ought they not to fret? 	ought I not to be fretting?
ought you not to be fretting?
ought he not to be fretting?
ought we not to be fretting?
ought you not to be fretting?
ought they not to be fretting? 	ought I not to have fretted?
ought you not to have fretted?
ought he not to have fretted?
ought we not to have fretted?
ought you not to have fretted?
ought they not to have fretted? 	ought I not to have been fretting?
ought you not to have been fretting?
ought he not to have been fretting?
ought we not to have been fretting?
ought you not to have been fretting?
ought they not to have been fretting?