ought to grab
Verbo regular: grab - grabbed- grabbed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought to grab
you ought to grab
she ought to grab
we ought to grab
you ought to grab
they ought to grab 	I ought to be grabbing
you ought to be grabbing
she ought to be grabbing
we ought to be grabbing
you ought to be grabbing
they ought to be grabbing	I ought to have grabbed
you ought to have grabbed
she ought to have grabbed
we ought to have grabbed
you ought to have grabbed
they ought to have grabbed	I ought to have been grabbing
you ought to have been grabbing
she ought to have been grabbing
we ought to have been grabbing
you ought to have been grabbing
they ought to have been grabbing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought not to grab
you ought not to grab
she ought not to grab
we ought not to grab
you ought not to grab
they ought not to grab 	I ought not to grabbing
you ought not to grabbing
she ought not to grabbing
we ought not to grabbing
you ought not to grabbing
they ought not to grabbing	I ought not to have grabbed
you ought not to have grabbed
she ought not to have grabbed
we ought not to have grabbed
you ought not to have grabbed
they ought not to have grabbed	I ought not to have been grabbing
you ought not to have been grabbing
she ought not to have been grabbing
we ought not to have been grabbing
you ought not to have been grabbing
they ought not to have been grabbing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought to I grab?
ought to you grab?
ought to she grab?
ought to we grab?
ought to you grab?
ought to they grab? 	ought to I be grabbing?
ought to you be grabbing?
ought to she be grabbing?
ought to we be grabbing?
ought to you be grabbing?
ought to they be grabbing? 	ought to I have grabbed?
ought to you have grabbed?
ought to she have grabbed?
ought to we have grabbed?
ought to you have grabbed?
ought to they have grabbed? 	ought to I have been grabbing?
ought to you have been grabbing?
ought to she have been grabbing?
ought to we have been grabbing?
ought to you have been grabbing?
ought to they have been grabbing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought I not to grab?
ought you not to grab?
ought she not to grab?
ought we not to grab?
ought you not to grab?
ought they not to grab? 	ought I not to be grabbing?
ought you not to be grabbing?
ought she not to be grabbing?
ought we not to be grabbing?
ought you not to be grabbing?
ought they not to be grabbing? 	ought I not to have grabbed?
ought you not to have grabbed?
ought she not to have grabbed?
ought we not to have grabbed?
ought you not to have grabbed?
ought they not to have grabbed? 	ought I not to have been grabbing?
ought you not to have been grabbing?
ought she not to have been grabbing?
ought we not to have been grabbing?
ought you not to have been grabbing?
ought they not to have been grabbing?