ought to mark
Verbo regular: mark - marked- marked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought to mark
you ought to mark
she ought to mark
we ought to mark
you ought to mark
they ought to mark 	I ought to be marking
you ought to be marking
she ought to be marking
we ought to be marking
you ought to be marking
they ought to be marking	I ought to have marked
you ought to have marked
she ought to have marked
we ought to have marked
you ought to have marked
they ought to have marked	I ought to have been marking
you ought to have been marking
she ought to have been marking
we ought to have been marking
you ought to have been marking
they ought to have been marking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought not to mark
you ought not to mark
she ought not to mark
we ought not to mark
you ought not to mark
they ought not to mark 	I ought not to marking
you ought not to marking
she ought not to marking
we ought not to marking
you ought not to marking
they ought not to marking	I ought not to have marked
you ought not to have marked
she ought not to have marked
we ought not to have marked
you ought not to have marked
they ought not to have marked	I ought not to have been marking
you ought not to have been marking
she ought not to have been marking
we ought not to have been marking
you ought not to have been marking
they ought not to have been marking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought to I mark?
ought to you mark?
ought to she mark?
ought to we mark?
ought to you mark?
ought to they mark? 	ought to I be marking?
ought to you be marking?
ought to she be marking?
ought to we be marking?
ought to you be marking?
ought to they be marking? 	ought to I have marked?
ought to you have marked?
ought to she have marked?
ought to we have marked?
ought to you have marked?
ought to they have marked? 	ought to I have been marking?
ought to you have been marking?
ought to she have been marking?
ought to we have been marking?
ought to you have been marking?
ought to they have been marking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought I not to mark?
ought you not to mark?
ought she not to mark?
ought we not to mark?
ought you not to mark?
ought they not to mark? 	ought I not to be marking?
ought you not to be marking?
ought she not to be marking?
ought we not to be marking?
ought you not to be marking?
ought they not to be marking? 	ought I not to have marked?
ought you not to have marked?
ought she not to have marked?
ought we not to have marked?
ought you not to have marked?
ought they not to have marked? 	ought I not to have been marking?
ought you not to have been marking?
ought she not to have been marking?
ought we not to have been marking?
ought you not to have been marking?
ought they not to have been marking?