ought to retrieve
Verbo regular: retrieve - retrieved- retrieved

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought to retrieve
you ought to retrieve
he ought to retrieve
we ought to retrieve
you ought to retrieve
they ought to retrieve 	I ought to be retrieving
you ought to be retrieving
he ought to be retrieving
we ought to be retrieving
you ought to be retrieving
they ought to be retrieving	I ought to have retrieved
you ought to have retrieved
he ought to have retrieved
we ought to have retrieved
you ought to have retrieved
they ought to have retrieved	I ought to have been retrieving
you ought to have been retrieving
he ought to have been retrieving
we ought to have been retrieving
you ought to have been retrieving
they ought to have been retrieving	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I oughtn't to retrieve
you oughtn't to retrieve
he oughtn't to retrieve
we oughtn't to retrieve
you oughtn't to retrieve
they oughtn't to retrieve 	I oughtn't to be retrieving
you oughtn't to be retrieving
he oughtn't to be retrieving
we oughtn't to be retrieving
you oughtn't to be retrieving
they oughtn't to be retrieving	I oughtn't to have retrieved
you oughtn't to have retrieved
he oughtn't to have retrieved
we oughtn't to have retrieved
you oughtn't to have retrieved
they oughtn't to have retrieved	I oughtn't to have been retrieving
you oughtn't to have been retrieving
he oughtn't to have been retrieving
we oughtn't to have been retrieving
you oughtn't to have been retrieving
they oughtn't to have been retrieving	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought to I retrieve?
ought to you retrieve?
ought to he retrieve?
ought to we retrieve?
ought to you retrieve?
ought to they retrieve? 	ought to I be retrieving?
ought to you be retrieving?
ought to he be retrieving?
ought to we be retrieving?
ought to you be retrieving?
ought to they be retrieving? 	ought to I have retrieved?
ought to you have retrieved?
ought to he have retrieved?
ought to we have retrieved?
ought to you have retrieved?
ought to they have retrieved? 	ought to I have been retrieving?
ought to you have been retrieving?
ought to he have been retrieving?
ought to we have been retrieving?
ought to you have been retrieving?
ought to they have been retrieving? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
oughtn't I to retrieve?
oughtn't you to retrieve?
oughtn't he to retrieve?
oughtn't we to retrieve?
oughtn't you to retrieve?
oughtn't they to retrieve? 	oughtn't I to be retrieving?
oughtn't you to be retrieving?
oughtn't he to be retrieving?
oughtn't we to be retrieving?
oughtn't you to be retrieving?
oughtn't they to be retrieving? 	oughtn't I to have retrieved?
oughtn't you to have retrieved?
oughtn't he to have retrieved?
oughtn't we to have retrieved?
oughtn't you to have retrieved?
oughtn't they to have retrieved? 	oughtn't I to have been retrieving?
oughtn't you to have been retrieving?
oughtn't he to have been retrieving?
oughtn't we to have been retrieving?
oughtn't you to have been retrieving?
oughtn't they to have been retrieving?