ought to slip
Regular verb: slip - slipped- slipped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to slip
you ought to slip
he ought to slip
we ought to slip
you ought to slip
they ought to slip 	I ought to be slipping
you ought to be slipping
he ought to be slipping
we ought to be slipping
you ought to be slipping
they ought to be slipping	I ought to have slipped
you ought to have slipped
he ought to have slipped
we ought to have slipped
you ought to have slipped
they ought to have slipped	I ought to have been slipping
you ought to have been slipping
he ought to have been slipping
we ought to have been slipping
you ought to have been slipping
they ought to have been slipping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to slip
you ought not to slip
he ought not to slip
we ought not to slip
you ought not to slip
they ought not to slip 	I ought not to slipping
you ought not to slipping
he ought not to slipping
we ought not to slipping
you ought not to slipping
they ought not to slipping	I ought not to have slipped
you ought not to have slipped
he ought not to have slipped
we ought not to have slipped
you ought not to have slipped
they ought not to have slipped	I ought not to have been slipping
you ought not to have been slipping
he ought not to have been slipping
we ought not to have been slipping
you ought not to have been slipping
they ought not to have been slipping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I slip?
ought to you slip?
ought to he slip?
ought to we slip?
ought to you slip?
ought to they slip? 	ought to I be slipping?
ought to you be slipping?
ought to he be slipping?
ought to we be slipping?
ought to you be slipping?
ought to they be slipping? 	ought to I have slipped?
ought to you have slipped?
ought to he have slipped?
ought to we have slipped?
ought to you have slipped?
ought to they have slipped? 	ought to I have been slipping?
ought to you have been slipping?
ought to he have been slipping?
ought to we have been slipping?
ought to you have been slipping?
ought to they have been slipping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to slip?
ought you not to slip?
ought he not to slip?
ought we not to slip?
ought you not to slip?
ought they not to slip? 	ought I not to be slipping?
ought you not to be slipping?
ought he not to be slipping?
ought we not to be slipping?
ought you not to be slipping?
ought they not to be slipping? 	ought I not to have slipped?
ought you not to have slipped?
ought he not to have slipped?
ought we not to have slipped?
ought you not to have slipped?
ought they not to have slipped? 	ought I not to have been slipping?
ought you not to have been slipping?
ought he not to have been slipping?
ought we not to have been slipping?
ought you not to have been slipping?
ought they not to have been slipping?