ought to defend
Regular verb: defend - defended- defended

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to defend
you ought to defend
he ought to defend
we ought to defend
you ought to defend
they ought to defend 	I ought to be defending
you ought to be defending
he ought to be defending
we ought to be defending
you ought to be defending
they ought to be defending	I ought to have defended
you ought to have defended
he ought to have defended
we ought to have defended
you ought to have defended
they ought to have defended	I ought to have been defending
you ought to have been defending
he ought to have been defending
we ought to have been defending
you ought to have been defending
they ought to have been defending	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to defend
you ought not to defend
he ought not to defend
we ought not to defend
you ought not to defend
they ought not to defend 	I ought not to defending
you ought not to defending
he ought not to defending
we ought not to defending
you ought not to defending
they ought not to defending	I ought not to have defended
you ought not to have defended
he ought not to have defended
we ought not to have defended
you ought not to have defended
they ought not to have defended	I ought not to have been defending
you ought not to have been defending
he ought not to have been defending
we ought not to have been defending
you ought not to have been defending
they ought not to have been defending	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I defend?
ought to you defend?
ought to he defend?
ought to we defend?
ought to you defend?
ought to they defend? 	ought to I be defending?
ought to you be defending?
ought to he be defending?
ought to we be defending?
ought to you be defending?
ought to they be defending? 	ought to I have defended?
ought to you have defended?
ought to he have defended?
ought to we have defended?
ought to you have defended?
ought to they have defended? 	ought to I have been defending?
ought to you have been defending?
ought to he have been defending?
ought to we have been defending?
ought to you have been defending?
ought to they have been defending? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to defend?
ought you not to defend?
ought he not to defend?
ought we not to defend?
ought you not to defend?
ought they not to defend? 	ought I not to be defending?
ought you not to be defending?
ought he not to be defending?
ought we not to be defending?
ought you not to be defending?
ought they not to be defending? 	ought I not to have defended?
ought you not to have defended?
ought he not to have defended?
ought we not to have defended?
ought you not to have defended?
ought they not to have defended? 	ought I not to have been defending?
ought you not to have been defending?
ought he not to have been defending?
ought we not to have been defending?
ought you not to have been defending?
ought they not to have been defending?