ought to yack
Verbo regular: yack - yacked- yacked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought to yack
you ought to yack
he ought to yack
we ought to yack
you ought to yack
they ought to yack 	I ought to be yacking
you ought to be yacking
he ought to be yacking
we ought to be yacking
you ought to be yacking
they ought to be yacking	I ought to have yacked
you ought to have yacked
he ought to have yacked
we ought to have yacked
you ought to have yacked
they ought to have yacked	I ought to have been yacking
you ought to have been yacking
he ought to have been yacking
we ought to have been yacking
you ought to have been yacking
they ought to have been yacking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought not to yack
you ought not to yack
he ought not to yack
we ought not to yack
you ought not to yack
they ought not to yack 	I ought not to yacking
you ought not to yacking
he ought not to yacking
we ought not to yacking
you ought not to yacking
they ought not to yacking	I ought not to have yacked
you ought not to have yacked
he ought not to have yacked
we ought not to have yacked
you ought not to have yacked
they ought not to have yacked	I ought not to have been yacking
you ought not to have been yacking
he ought not to have been yacking
we ought not to have been yacking
you ought not to have been yacking
they ought not to have been yacking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought to I yack?
ought to you yack?
ought to he yack?
ought to we yack?
ought to you yack?
ought to they yack? 	ought to I be yacking?
ought to you be yacking?
ought to he be yacking?
ought to we be yacking?
ought to you be yacking?
ought to they be yacking? 	ought to I have yacked?
ought to you have yacked?
ought to he have yacked?
ought to we have yacked?
ought to you have yacked?
ought to they have yacked? 	ought to I have been yacking?
ought to you have been yacking?
ought to he have been yacking?
ought to we have been yacking?
ought to you have been yacking?
ought to they have been yacking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought I not to yack?
ought you not to yack?
ought he not to yack?
ought we not to yack?
ought you not to yack?
ought they not to yack? 	ought I not to be yacking?
ought you not to be yacking?
ought he not to be yacking?
ought we not to be yacking?
ought you not to be yacking?
ought they not to be yacking? 	ought I not to have yacked?
ought you not to have yacked?
ought he not to have yacked?
ought we not to have yacked?
ought you not to have yacked?
ought they not to have yacked? 	ought I not to have been yacking?
ought you not to have been yacking?
ought he not to have been yacking?
ought we not to have been yacking?
ought you not to have been yacking?
ought they not to have been yacking?