will jackknife
Verbo regular: jackknife - jackknifed- jackknifed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I will jackknife
you will jackknife
she will jackknife
we will jackknife
you will jackknife
they will jackknife 	I will be jackknifing
you will be jackknifing
she will be jackknifing
we will be jackknifing
you will be jackknifing
they will be jackknifing	I will have jackknifed
you will have jackknifed
she will have jackknifed
we will have jackknifed
you will have jackknifed
they will have jackknifed	I will have been jackknifing
you will have been jackknifing
she will have been jackknifing
we will have been jackknifing
you will have been jackknifing
they will have been jackknifing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I will not jackknife
you will not jackknife
she will not jackknife
we will not jackknife
you will not jackknife
they will not jackknife 	I will not be jackknifing
you will not be jackknifing
she will not be jackknifing
we will not be jackknifing
you will not be jackknifing
they will not be jackknifing	I will not have jackknifed
you will not have jackknifed
she will not have jackknifed
we will not have jackknifed
you will not have jackknifed
they will not have jackknifed	I will not have been jackknifing
you will not have been jackknifing
she will not have been jackknifing
we will not have been jackknifing
you will not have been jackknifing
they will not have been jackknifing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
will I jackknife?
will you jackknife?
will she jackknife?
will we jackknife?
will you jackknife?
will they jackknife? 	will I be jackknifing?
will you be jackknifing?
will she be jackknifing?
will we be jackknifing?
will you be jackknifing?
will they be jackknifing? 	will I have jackknifed?
will you have jackknifed?
will she have jackknifed?
will we have jackknifed?
will you have jackknifed?
will they have jackknifed? 	will I have been jackknifing?
will you have been jackknifing?
will she have been jackknifing?
will we have been jackknifing?
will you have been jackknifing?
will they have been jackknifing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
will I not jackknife?
will you not jackknife?
will she not jackknife?
will we not jackknife?
will you not jackknife?
will they not jackknife? 	will I not be jackknifing?
will you not be jackknifing?
will she not be jackknifing?
will we not be jackknifing?
will you not be jackknifing?
will they not be jackknifing? 	will I not have jackknifed?
will you not have jackknifed?
will she not have jackknifed?
will we not have jackknifed?
will you not have jackknifed?
will they not have jackknifed? 	will I not have been jackknifing?
will you not have been jackknifing?
will she not have been jackknifing?
will we not have been jackknifing?
will you not have been jackknifing?
will they not have been jackknifing?