ought to last
Verbo regular: last - lasted- lasted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought to last
you ought to last
he ought to last
we ought to last
you ought to last
they ought to last 	I ought to be lasting
you ought to be lasting
he ought to be lasting
we ought to be lasting
you ought to be lasting
they ought to be lasting	I ought to have lasted
you ought to have lasted
he ought to have lasted
we ought to have lasted
you ought to have lasted
they ought to have lasted	I ought to have been lasting
you ought to have been lasting
he ought to have been lasting
we ought to have been lasting
you ought to have been lasting
they ought to have been lasting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought not to last
you ought not to last
he ought not to last
we ought not to last
you ought not to last
they ought not to last 	I ought not to lasting
you ought not to lasting
he ought not to lasting
we ought not to lasting
you ought not to lasting
they ought not to lasting	I ought not to have lasted
you ought not to have lasted
he ought not to have lasted
we ought not to have lasted
you ought not to have lasted
they ought not to have lasted	I ought not to have been lasting
you ought not to have been lasting
he ought not to have been lasting
we ought not to have been lasting
you ought not to have been lasting
they ought not to have been lasting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought to I last?
ought to you last?
ought to he last?
ought to we last?
ought to you last?
ought to they last? 	ought to I be lasting?
ought to you be lasting?
ought to he be lasting?
ought to we be lasting?
ought to you be lasting?
ought to they be lasting? 	ought to I have lasted?
ought to you have lasted?
ought to he have lasted?
ought to we have lasted?
ought to you have lasted?
ought to they have lasted? 	ought to I have been lasting?
ought to you have been lasting?
ought to he have been lasting?
ought to we have been lasting?
ought to you have been lasting?
ought to they have been lasting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought I not to last?
ought you not to last?
ought he not to last?
ought we not to last?
ought you not to last?
ought they not to last? 	ought I not to be lasting?
ought you not to be lasting?
ought he not to be lasting?
ought we not to be lasting?
ought you not to be lasting?
ought they not to be lasting? 	ought I not to have lasted?
ought you not to have lasted?
ought he not to have lasted?
ought we not to have lasted?
ought you not to have lasted?
ought they not to have lasted? 	ought I not to have been lasting?
ought you not to have been lasting?
ought he not to have been lasting?
ought we not to have been lasting?
ought you not to have been lasting?
ought they not to have been lasting?