ought to grip
Regular verb: grip - gripped- gripped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to grip
you ought to grip
he ought to grip
we ought to grip
you ought to grip
they ought to grip 	I ought to be gripping
you ought to be gripping
he ought to be gripping
we ought to be gripping
you ought to be gripping
they ought to be gripping	I ought to have gripped
you ought to have gripped
he ought to have gripped
we ought to have gripped
you ought to have gripped
they ought to have gripped	I ought to have been gripping
you ought to have been gripping
he ought to have been gripping
we ought to have been gripping
you ought to have been gripping
they ought to have been gripping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to grip
you ought not to grip
he ought not to grip
we ought not to grip
you ought not to grip
they ought not to grip 	I ought not to gripping
you ought not to gripping
he ought not to gripping
we ought not to gripping
you ought not to gripping
they ought not to gripping	I ought not to have gripped
you ought not to have gripped
he ought not to have gripped
we ought not to have gripped
you ought not to have gripped
they ought not to have gripped	I ought not to have been gripping
you ought not to have been gripping
he ought not to have been gripping
we ought not to have been gripping
you ought not to have been gripping
they ought not to have been gripping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I grip?
ought to you grip?
ought to he grip?
ought to we grip?
ought to you grip?
ought to they grip? 	ought to I be gripping?
ought to you be gripping?
ought to he be gripping?
ought to we be gripping?
ought to you be gripping?
ought to they be gripping? 	ought to I have gripped?
ought to you have gripped?
ought to he have gripped?
ought to we have gripped?
ought to you have gripped?
ought to they have gripped? 	ought to I have been gripping?
ought to you have been gripping?
ought to he have been gripping?
ought to we have been gripping?
ought to you have been gripping?
ought to they have been gripping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to grip?
ought you not to grip?
ought he not to grip?
ought we not to grip?
ought you not to grip?
ought they not to grip? 	ought I not to be gripping?
ought you not to be gripping?
ought he not to be gripping?
ought we not to be gripping?
ought you not to be gripping?
ought they not to be gripping? 	ought I not to have gripped?
ought you not to have gripped?
ought he not to have gripped?
ought we not to have gripped?
ought you not to have gripped?
ought they not to have gripped? 	ought I not to have been gripping?
ought you not to have been gripping?
ought he not to have been gripping?
ought we not to have been gripping?
ought you not to have been gripping?
ought they not to have been gripping?