ought to kowtow
Verbo regular: kowtow - kowtowed- kowtowed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought to kowtow
you ought to kowtow
he 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
he 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
he 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
he ought to have been kowtowing
we ought to have been kowtowing
you ought to have been kowtowing
they ought to have been kowtowing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought not to kowtow
you ought not to kowtow
he ought not to kowtow
we ought not to kowtow
you ought not to kowtow
they ought not to kowtow 	I ought not to kowtowing
you ought not to kowtowing
he ought not to kowtowing
we ought not to kowtowing
you ought not to kowtowing
they ought not to kowtowing	I ought not to have kowtowed
you ought not to have kowtowed
he ought not to have kowtowed
we ought not to have kowtowed
you ought not to have kowtowed
they ought not to have kowtowed	I ought not to have been kowtowing
you ought not to have been kowtowing
he ought not to have been kowtowing
we ought not to have been kowtowing
you ought not to have been kowtowing
they ought not to have been kowtowing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought to I kowtow?
ought to you kowtow?
ought to he 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 he 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 he 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 he have been kowtowing?
ought to we have been kowtowing?
ought to you have been kowtowing?
ought to they have been kowtowing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought I not to kowtow?
ought you not to kowtow?
ought he not to kowtow?
ought we not to kowtow?
ought you not to kowtow?
ought they not to kowtow? 	ought I not to be kowtowing?
ought you not to be kowtowing?
ought he not to be kowtowing?
ought we not to be kowtowing?
ought you not to be kowtowing?
ought they not to be kowtowing? 	ought I not to have kowtowed?
ought you not to have kowtowed?
ought he not to have kowtowed?
ought we not to have kowtowed?
ought you not to have kowtowed?
ought they not to have kowtowed? 	ought I not to have been kowtowing?
ought you not to have been kowtowing?
ought he not to have been kowtowing?
ought we not to have been kowtowing?
ought you not to have been kowtowing?
ought they not to have been kowtowing?