Conjugación del verbo inglés
MUST BACKSTOP

Verbo regular: backstop - backstoped - backstoped

Afirmación

Forma simple	Forma con V-ing
I must backstop you must backstop she must backstop we must backstop you must backstop they must backstop	I must be backstoping you must be backstoping she must be backstoping we must be backstoping you must be backstoping they must be backstoping
Perfecto	Perfecto con V-ing
I must have backstoped you must have backstoped she must have backstoped we must have backstoped you must have backstoped they must have backstoped	I must have been backstoping you must have been backstoping she must have been backstoping we must have been backstoping you must have been backstoping they must have been backstoping

Negación

Forma simple	Forma con V-ing
I mustn't backstop you mustn't backstop she mustn't backstop we mustn't backstop you mustn't backstop they mustn't backstop	I mustn't be backstoping you mustn't be backstoping she mustn't be backstoping we mustn't be backstoping you mustn't be backstoping they mustn't be backstoping
Perfecto	Perfecto con V-ing
I mustn't have backstoped you mustn't have backstoped she mustn't have backstoped we mustn't have backstoped you mustn't have backstoped they mustn't have backstoped	I mustn't have been backstoping you mustn't have been backstoping she mustn't have been backstoping we mustn't have been backstoping you mustn't have been backstoping they mustn't have been backstoping

Forma interrogativa

Forma simple	Forma con V-ing
must I backstop? must you backstop? must she backstop? must we backstop? must you backstop? must they backstop?	must I be backstoping? must you be backstoping? must she be backstoping? must we be backstoping? must you be backstoping? must they be backstoping?
Perfecto	Perfecto con V-ing
must I have backstoped? must you have backstoped? must she have backstoped? must we have backstoped? must you have backstoped? must they have backstoped?	must I have been backstoping? must you have been backstoping? must she have been backstoping? must we have been backstoping? must you have been backstoping? must they have been backstoping?

Forma interro-negativa

Forma simple	Forma con V-ing
mustn't I backstop? mustn't you backstop? mustn't she backstop? mustn't we backstop? mustn't you backstop? mustn't they backstop?	mustn't I be backstoping? mustn't you be backstoping? mustn't she be backstoping? mustn't we be backstoping? mustn't you be backstoping? mustn't they be backstoping?
Perfecto	Perfecto con V-ing
mustn't I have backstoped? mustn't you have backstoped? mustn't she have backstoped? mustn't we have backstoped? mustn't you have backstoped? mustn't they have backstoped?	mustn't I have been backstoping? mustn't you have been backstoping? mustn't she have been backstoping? mustn't we have been backstoping? mustn't you have been backstoping? mustn't they have been backstoping?