ought to kowtow
Regular verb: kowtow - kowtowed- kowtowed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to kowtow
you ought to kowtow
she ought to kowtow
we ought to kowtow
you ought to kowtow
they ought to kowtow 	I ought to be kowtowing
you ought to be kowtowing
she ought to be kowtowing
we ought to be kowtowing
you ought to be kowtowing
they ought to be kowtowing	I ought to have kowtowed
you ought to have kowtowed
she ought to have kowtowed
we ought to have kowtowed
you ought to have kowtowed
they ought to have kowtowed	I ought to have been kowtowing
you ought to have been kowtowing
she ought to have been kowtowing
we ought to have been kowtowing
you ought to have been kowtowing
they ought to have been kowtowing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to kowtow
you oughtn't to kowtow
she oughtn't to kowtow
we oughtn't to kowtow
you oughtn't to kowtow
they oughtn't to kowtow 	I oughtn't to be kowtowing
you oughtn't to be kowtowing
she oughtn't to be kowtowing
we oughtn't to be kowtowing
you oughtn't to be kowtowing
they oughtn't to be kowtowing	I oughtn't to have kowtowed
you oughtn't to have kowtowed
she oughtn't to have kowtowed
we oughtn't to have kowtowed
you oughtn't to have kowtowed
they oughtn't to have kowtowed	I oughtn't to have been kowtowing
you oughtn't to have been kowtowing
she oughtn't to have been kowtowing
we oughtn't to have been kowtowing
you oughtn't to have been kowtowing
they oughtn't to have been kowtowing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I kowtow?
ought to you kowtow?
ought to she kowtow?
ought to we kowtow?
ought to you kowtow?
ought to they kowtow? 	ought to I be kowtowing?
ought to you be kowtowing?
ought to she be kowtowing?
ought to we be kowtowing?
ought to you be kowtowing?
ought to they be kowtowing? 	ought to I have kowtowed?
ought to you have kowtowed?
ought to she have kowtowed?
ought to we have kowtowed?
ought to you have kowtowed?
ought to they have kowtowed? 	ought to I have been kowtowing?
ought to you have been kowtowing?
ought to she have been kowtowing?
ought to we have been kowtowing?
ought to you have been kowtowing?
ought to they have been kowtowing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to kowtow?
oughtn't you to kowtow?
oughtn't she to kowtow?
oughtn't we to kowtow?
oughtn't you to kowtow?
oughtn't they to kowtow? 	oughtn't I to be kowtowing?
oughtn't you to be kowtowing?
oughtn't she to be kowtowing?
oughtn't we to be kowtowing?
oughtn't you to be kowtowing?
oughtn't they to be kowtowing? 	oughtn't I to have kowtowed?
oughtn't you to have kowtowed?
oughtn't she to have kowtowed?
oughtn't we to have kowtowed?
oughtn't you to have kowtowed?
oughtn't they to have kowtowed? 	oughtn't I to have been kowtowing?
oughtn't you to have been kowtowing?
oughtn't she to have been kowtowing?
oughtn't we to have been kowtowing?
oughtn't you to have been kowtowing?
oughtn't they to have been kowtowing?