ought to jackknife
Verbo regular: jackknife - jackknifed- jackknifed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought to jackknife
you ought to jackknife
he ought to jackknife
we ought to jackknife
you ought to jackknife
they ought to jackknife 	I ought to be jackknifing
you ought to be jackknifing
he ought to be jackknifing
we ought to be jackknifing
you ought to be jackknifing
they ought to be jackknifing	I ought to have jackknifed
you ought to have jackknifed
he ought to have jackknifed
we ought to have jackknifed
you ought to have jackknifed
they ought to have jackknifed	I ought to have been jackknifing
you ought to have been jackknifing
he ought to have been jackknifing
we ought to have been jackknifing
you ought to have been jackknifing
they ought to have been jackknifing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought not to jackknife
you ought not to jackknife
he ought not to jackknife
we ought not to jackknife
you ought not to jackknife
they ought not to jackknife 	I ought not to jackknifing
you ought not to jackknifing
he ought not to jackknifing
we ought not to jackknifing
you ought not to jackknifing
they ought not to jackknifing	I ought not to have jackknifed
you ought not to have jackknifed
he ought not to have jackknifed
we ought not to have jackknifed
you ought not to have jackknifed
they ought not to have jackknifed	I ought not to have been jackknifing
you ought not to have been jackknifing
he ought not to have been jackknifing
we ought not to have been jackknifing
you ought not to have been jackknifing
they ought not to have been jackknifing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought to I jackknife?
ought to you jackknife?
ought to he jackknife?
ought to we jackknife?
ought to you jackknife?
ought to they jackknife? 	ought to I be jackknifing?
ought to you be jackknifing?
ought to he be jackknifing?
ought to we be jackknifing?
ought to you be jackknifing?
ought to they be jackknifing? 	ought to I have jackknifed?
ought to you have jackknifed?
ought to he have jackknifed?
ought to we have jackknifed?
ought to you have jackknifed?
ought to they have jackknifed? 	ought to I have been jackknifing?
ought to you have been jackknifing?
ought to he have been jackknifing?
ought to we have been jackknifing?
ought to you have been jackknifing?
ought to they have been jackknifing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought I not to jackknife?
ought you not to jackknife?
ought he not to jackknife?
ought we not to jackknife?
ought you not to jackknife?
ought they not to jackknife? 	ought I not to be jackknifing?
ought you not to be jackknifing?
ought he not to be jackknifing?
ought we not to be jackknifing?
ought you not to be jackknifing?
ought they not to be jackknifing? 	ought I not to have jackknifed?
ought you not to have jackknifed?
ought he not to have jackknifed?
ought we not to have jackknifed?
ought you not to have jackknifed?
ought they not to have jackknifed? 	ought I not to have been jackknifing?
ought you not to have been jackknifing?
ought he not to have been jackknifing?
ought we not to have been jackknifing?
ought you not to have been jackknifing?
ought they not to have been jackknifing?