ought to investigate
Verbo regolare: investigate - investigated- investigated

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto 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	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I ought not to investigate
you ought not to investigate
he ought not to investigate
we ought not to investigate
you ought not to investigate
they ought not to investigate 	I ought not to investigating
you ought not to investigating
he ought not to investigating
we ought not to investigating
you ought not to investigating
they ought not to investigating	I ought not to have investigated
you ought not to have investigated
he ought not to have investigated
we ought not to have investigated
you ought not to have investigated
they ought not to have investigated	I ought not to have been investigating
you ought not to have been investigating
he ought not to have been investigating
we ought not to have been investigating
you ought not to have been investigating
they ought not to have been investigating	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto 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 semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
ought I not to investigate?
ought you not to investigate?
ought he not to investigate?
ought we not to investigate?
ought you not to investigate?
ought they not to investigate? 	ought I not to be investigating?
ought you not to be investigating?
ought he not to be investigating?
ought we not to be investigating?
ought you not to be investigating?
ought they not to be investigating? 	ought I not to have investigated?
ought you not to have investigated?
ought he not to have investigated?
ought we not to have investigated?
ought you not to have investigated?
ought they not to have investigated? 	ought I not to have been investigating?
ought you not to have been investigating?
ought he not to have been investigating?
ought we not to have been investigating?
ought you not to have been investigating?
ought they not to have been investigating?