Conjugación del verbo inglés
MUST JACKKNIFE

Verbo regular: jackknife - jackknifed - jackknifed

Afirmación

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

Negación

Forma simple	Forma con V-ing
I mustn't jackknife you mustn't jackknife she mustn't jackknife we mustn't jackknife you mustn't jackknife they mustn't jackknife	I mustn't be jackknifing you mustn't be jackknifing she mustn't be jackknifing we mustn't be jackknifing you mustn't be jackknifing they mustn't be jackknifing
Perfecto	Perfecto con V-ing
I mustn't have jackknifed you mustn't have jackknifed she mustn't have jackknifed we mustn't have jackknifed you mustn't have jackknifed they mustn't have jackknifed	I mustn't have been jackknifing you mustn't have been jackknifing she mustn't have been jackknifing we mustn't have been jackknifing you mustn't have been jackknifing they mustn't have been jackknifing

Forma interrogativa

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

Forma interro-negativa

Forma simple	Forma con V-ing
mustn't I jackknife? mustn't you jackknife? mustn't she jackknife? mustn't we jackknife? mustn't you jackknife? mustn't they jackknife?	mustn't I be jackknifing? mustn't you be jackknifing? mustn't she be jackknifing? mustn't we be jackknifing? mustn't you be jackknifing? mustn't they be jackknifing?
Perfecto	Perfecto con V-ing
mustn't I have jackknifed? mustn't you have jackknifed? mustn't she have jackknifed? mustn't we have jackknifed? mustn't you have jackknifed? mustn't they have jackknifed?	mustn't I have been jackknifing? mustn't you have been jackknifing? mustn't she have been jackknifing? mustn't we have been jackknifing? mustn't you have been jackknifing? mustn't they have been jackknifing?