ought to trail
Regular verb: trail - trailed- trailed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to trail
you ought to trail
he ought to trail
we ought to trail
you ought to trail
they ought to trail 	I ought to be trailing
you ought to be trailing
he ought to be trailing
we ought to be trailing
you ought to be trailing
they ought to be trailing	I ought to have trailed
you ought to have trailed
he ought to have trailed
we ought to have trailed
you ought to have trailed
they ought to have trailed	I ought to have been trailing
you ought to have been trailing
he ought to have been trailing
we ought to have been trailing
you ought to have been trailing
they ought to have been trailing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to trail
you ought not to trail
he ought not to trail
we ought not to trail
you ought not to trail
they ought not to trail 	I ought not to trailing
you ought not to trailing
he ought not to trailing
we ought not to trailing
you ought not to trailing
they ought not to trailing	I ought not to have trailed
you ought not to have trailed
he ought not to have trailed
we ought not to have trailed
you ought not to have trailed
they ought not to have trailed	I ought not to have been trailing
you ought not to have been trailing
he ought not to have been trailing
we ought not to have been trailing
you ought not to have been trailing
they ought not to have been trailing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I trail?
ought to you trail?
ought to he trail?
ought to we trail?
ought to you trail?
ought to they trail? 	ought to I be trailing?
ought to you be trailing?
ought to he be trailing?
ought to we be trailing?
ought to you be trailing?
ought to they be trailing? 	ought to I have trailed?
ought to you have trailed?
ought to he have trailed?
ought to we have trailed?
ought to you have trailed?
ought to they have trailed? 	ought to I have been trailing?
ought to you have been trailing?
ought to he have been trailing?
ought to we have been trailing?
ought to you have been trailing?
ought to they have been trailing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to trail?
ought you not to trail?
ought he not to trail?
ought we not to trail?
ought you not to trail?
ought they not to trail? 	ought I not to be trailing?
ought you not to be trailing?
ought he not to be trailing?
ought we not to be trailing?
ought you not to be trailing?
ought they not to be trailing? 	ought I not to have trailed?
ought you not to have trailed?
ought he not to have trailed?
ought we not to have trailed?
ought you not to have trailed?
ought they not to have trailed? 	ought I not to have been trailing?
ought you not to have been trailing?
ought he not to have been trailing?
ought we not to have been trailing?
ought you not to have been trailing?
ought they not to have been trailing?