Conjugación del verbo inglés
MUST DERAIL

Verbo regular: derail - derailed - derailed

Afirmación

Forma simple	Forma con V-ing
I must derail you must derail he must derail we must derail you must derail they must derail	I must be derailing you must be derailing he must be derailing we must be derailing you must be derailing they must be derailing
Perfecto	Perfecto con V-ing
I must have derailed you must have derailed he must have derailed we must have derailed you must have derailed they must have derailed	I must have been derailing you must have been derailing he must have been derailing we must have been derailing you must have been derailing they must have been derailing

Negación

Forma simple	Forma con V-ing
I mustn't derail you mustn't derail he mustn't derail we mustn't derail you mustn't derail they mustn't derail	I mustn't be derailing you mustn't be derailing he mustn't be derailing we mustn't be derailing you mustn't be derailing they mustn't be derailing
Perfecto	Perfecto con V-ing
I mustn't have derailed you mustn't have derailed he mustn't have derailed we mustn't have derailed you mustn't have derailed they mustn't have derailed	I mustn't have been derailing you mustn't have been derailing he mustn't have been derailing we mustn't have been derailing you mustn't have been derailing they mustn't have been derailing

Forma interrogativa

Forma simple	Forma con V-ing
must I derail? must you derail? must he derail? must we derail? must you derail? must they derail?	must I be derailing? must you be derailing? must he be derailing? must we be derailing? must you be derailing? must they be derailing?
Perfecto	Perfecto con V-ing
must I have derailed? must you have derailed? must he have derailed? must we have derailed? must you have derailed? must they have derailed?	must I have been derailing? must you have been derailing? must he have been derailing? must we have been derailing? must you have been derailing? must they have been derailing?

Forma interro-negativa

Forma simple	Forma con V-ing
mustn't I derail? mustn't you derail? mustn't he derail? mustn't we derail? mustn't you derail? mustn't they derail?	mustn't I be derailing? mustn't you be derailing? mustn't he be derailing? mustn't we be derailing? mustn't you be derailing? mustn't they be derailing?
Perfecto	Perfecto con V-ing
mustn't I have derailed? mustn't you have derailed? mustn't he have derailed? mustn't we have derailed? mustn't you have derailed? mustn't they have derailed?	mustn't I have been derailing? mustn't you have been derailing? mustn't he have been derailing? mustn't we have been derailing? mustn't you have been derailing? mustn't they have been derailing?