ought to guard
Regular verb: guard - guarded- guarded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to guard
you ought to guard
he ought to guard
we ought to guard
you ought to guard
they ought to guard 	I ought to be guarding
you ought to be guarding
he ought to be guarding
we ought to be guarding
you ought to be guarding
they ought to be guarding	I ought to have guarded
you ought to have guarded
he ought to have guarded
we ought to have guarded
you ought to have guarded
they ought to have guarded	I ought to have been guarding
you ought to have been guarding
he ought to have been guarding
we ought to have been guarding
you ought to have been guarding
they ought to have been guarding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to guard
you ought not to guard
he ought not to guard
we ought not to guard
you ought not to guard
they ought not to guard 	I ought not to guarding
you ought not to guarding
he ought not to guarding
we ought not to guarding
you ought not to guarding
they ought not to guarding	I ought not to have guarded
you ought not to have guarded
he ought not to have guarded
we ought not to have guarded
you ought not to have guarded
they ought not to have guarded	I ought not to have been guarding
you ought not to have been guarding
he ought not to have been guarding
we ought not to have been guarding
you ought not to have been guarding
they ought not to have been guarding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I guard?
ought to you guard?
ought to he guard?
ought to we guard?
ought to you guard?
ought to they guard? 	ought to I be guarding?
ought to you be guarding?
ought to he be guarding?
ought to we be guarding?
ought to you be guarding?
ought to they be guarding? 	ought to I have guarded?
ought to you have guarded?
ought to he have guarded?
ought to we have guarded?
ought to you have guarded?
ought to they have guarded? 	ought to I have been guarding?
ought to you have been guarding?
ought to he have been guarding?
ought to we have been guarding?
ought to you have been guarding?
ought to they have been guarding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to guard?
ought you not to guard?
ought he not to guard?
ought we not to guard?
ought you not to guard?
ought they not to guard? 	ought I not to be guarding?
ought you not to be guarding?
ought he not to be guarding?
ought we not to be guarding?
ought you not to be guarding?
ought they not to be guarding? 	ought I not to have guarded?
ought you not to have guarded?
ought he not to have guarded?
ought we not to have guarded?
ought you not to have guarded?
ought they not to have guarded? 	ought I not to have been guarding?
ought you not to have been guarding?
ought he not to have been guarding?
ought we not to have been guarding?
ought you not to have been guarding?
ought they not to have been guarding?