ought to investigate
Verbo regular: investigate - investigated- investigated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought to investigate
you ought to investigate
he ought to investigate
we ought to investigate
you ought to investigate
they ought to investigate 	I ought to be investigating
you ought to be investigating
he ought to be investigating
we ought to be investigating
you ought to be investigating
they ought to be investigating	I ought to have investigated
you ought to have investigated
he ought to have investigated
we ought to have investigated
you ought to have investigated
they ought to have investigated	I ought to have been investigating
you ought to have been investigating
he ought to have been investigating
we ought to have been investigating
you ought to have been investigating
they ought to have been investigating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I oughtn't to investigate
you oughtn't to investigate
he oughtn't to investigate
we oughtn't to investigate
you oughtn't to investigate
they oughtn't to investigate 	I oughtn't to be investigating
you oughtn't to be investigating
he oughtn't to be investigating
we oughtn't to be investigating
you oughtn't to be investigating
they oughtn't to be investigating	I oughtn't to have investigated
you oughtn't to have investigated
he oughtn't to have investigated
we oughtn't to have investigated
you oughtn't to have investigated
they oughtn't to have investigated	I oughtn't to have been investigating
you oughtn't to have been investigating
he oughtn't to have been investigating
we oughtn't to have been investigating
you oughtn't to have been investigating
they oughtn't to have been investigating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought to I investigate?
ought to you investigate?
ought to he investigate?
ought to we investigate?
ought to you investigate?
ought to they investigate? 	ought to I be investigating?
ought to you be investigating?
ought to he be investigating?
ought to we be investigating?
ought to you be investigating?
ought to they be investigating? 	ought to I have investigated?
ought to you have investigated?
ought to he have investigated?
ought to we have investigated?
ought to you have investigated?
ought to they have investigated? 	ought to I have been investigating?
ought to you have been investigating?
ought to he have been investigating?
ought to we have been investigating?
ought to you have been investigating?
ought to they have been investigating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
oughtn't I to investigate?
oughtn't you to investigate?
oughtn't he to investigate?
oughtn't we to investigate?
oughtn't you to investigate?
oughtn't they to investigate? 	oughtn't I to be investigating?
oughtn't you to be investigating?
oughtn't he to be investigating?
oughtn't we to be investigating?
oughtn't you to be investigating?
oughtn't they to be investigating? 	oughtn't I to have investigated?
oughtn't you to have investigated?
oughtn't he to have investigated?
oughtn't we to have investigated?
oughtn't you to have investigated?
oughtn't they to have investigated? 	oughtn't I to have been investigating?
oughtn't you to have been investigating?
oughtn't he to have been investigating?
oughtn't we to have been investigating?
oughtn't you to have been investigating?
oughtn't they to have been investigating?