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
she 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
she 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
she 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
she 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 oughtn't to grip
you oughtn't to grip
she oughtn't to grip
we oughtn't to grip
you oughtn't to grip
they oughtn't to grip 	I oughtn't to be gripping
you oughtn't to be gripping
she oughtn't to be gripping
we oughtn't to be gripping
you oughtn't to be gripping
they oughtn't to be gripping	I oughtn't to have gripped
you oughtn't to have gripped
she oughtn't to have gripped
we oughtn't to have gripped
you oughtn't to have gripped
they oughtn't to have gripped	I oughtn't to have been gripping
you oughtn't to have been gripping
she oughtn't to have been gripping
we oughtn't to have been gripping
you oughtn't to have been gripping
they oughtn't 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 she 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 she 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 she 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 she 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 	
oughtn't I to grip?
oughtn't you to grip?
oughtn't she to grip?
oughtn't we to grip?
oughtn't you to grip?
oughtn't they to grip? 	oughtn't I to be gripping?
oughtn't you to be gripping?
oughtn't she to be gripping?
oughtn't we to be gripping?
oughtn't you to be gripping?
oughtn't they to be gripping? 	oughtn't I to have gripped?
oughtn't you to have gripped?
oughtn't she to have gripped?
oughtn't we to have gripped?
oughtn't you to have gripped?
oughtn't they to have gripped? 	oughtn't I to have been gripping?
oughtn't you to have been gripping?
oughtn't she to have been gripping?
oughtn't we to have been gripping?
oughtn't you to have been gripping?
oughtn't they to have been gripping?