ought to understudy
Verbo regular: understudy - understudied- understudied

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought to understudy
you ought to understudy
she ought to understudy
we ought to understudy
you ought to understudy
they ought to understudy 	I ought to be understudying
you ought to be understudying
she ought to be understudying
we ought to be understudying
you ought to be understudying
they ought to be understudying	I ought to have understudied
you ought to have understudied
she ought to have understudied
we ought to have understudied
you ought to have understudied
they ought to have understudied	I ought to have been understudying
you ought to have been understudying
she ought to have been understudying
we ought to have been understudying
you ought to have been understudying
they ought to have been understudying	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought not to understudy
you ought not to understudy
she ought not to understudy
we ought not to understudy
you ought not to understudy
they ought not to understudy 	I ought not to understudying
you ought not to understudying
she ought not to understudying
we ought not to understudying
you ought not to understudying
they ought not to understudying	I ought not to have understudied
you ought not to have understudied
she ought not to have understudied
we ought not to have understudied
you ought not to have understudied
they ought not to have understudied	I ought not to have been understudying
you ought not to have been understudying
she ought not to have been understudying
we ought not to have been understudying
you ought not to have been understudying
they ought not to have been understudying	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought to I understudy?
ought to you understudy?
ought to she understudy?
ought to we understudy?
ought to you understudy?
ought to they understudy? 	ought to I be understudying?
ought to you be understudying?
ought to she be understudying?
ought to we be understudying?
ought to you be understudying?
ought to they be understudying? 	ought to I have understudied?
ought to you have understudied?
ought to she have understudied?
ought to we have understudied?
ought to you have understudied?
ought to they have understudied? 	ought to I have been understudying?
ought to you have been understudying?
ought to she have been understudying?
ought to we have been understudying?
ought to you have been understudying?
ought to they have been understudying? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought I not to understudy?
ought you not to understudy?
ought she not to understudy?
ought we not to understudy?
ought you not to understudy?
ought they not to understudy? 	ought I not to be understudying?
ought you not to be understudying?
ought she not to be understudying?
ought we not to be understudying?
ought you not to be understudying?
ought they not to be understudying? 	ought I not to have understudied?
ought you not to have understudied?
ought she not to have understudied?
ought we not to have understudied?
ought you not to have understudied?
ought they not to have understudied? 	ought I not to have been understudying?
ought you not to have been understudying?
ought she not to have been understudying?
ought we not to have been understudying?
ought you not to have been understudying?
ought they not to have been understudying?