Conjugación del verbo inglés
MUST HISS

Verbo regular: hiss - hissed - hissed

Afirmación

Forma simple	Forma con V-ing
I must hiss you must hiss she must hiss we must hiss you must hiss they must hiss	I must be hissing you must be hissing she must be hissing we must be hissing you must be hissing they must be hissing
Perfecto	Perfecto con V-ing
I must have hissed you must have hissed she must have hissed we must have hissed you must have hissed they must have hissed	I must have been hissing you must have been hissing she must have been hissing we must have been hissing you must have been hissing they must have been hissing

Negación

Forma simple	Forma con V-ing
I mustn't hiss you mustn't hiss she mustn't hiss we mustn't hiss you mustn't hiss they mustn't hiss	I mustn't be hissing you mustn't be hissing she mustn't be hissing we mustn't be hissing you mustn't be hissing they mustn't be hissing
Perfecto	Perfecto con V-ing
I mustn't have hissed you mustn't have hissed she mustn't have hissed we mustn't have hissed you mustn't have hissed they mustn't have hissed	I mustn't have been hissing you mustn't have been hissing she mustn't have been hissing we mustn't have been hissing you mustn't have been hissing they mustn't have been hissing

Forma interrogativa

Forma simple	Forma con V-ing
must I hiss? must you hiss? must she hiss? must we hiss? must you hiss? must they hiss?	must I be hissing? must you be hissing? must she be hissing? must we be hissing? must you be hissing? must they be hissing?
Perfecto	Perfecto con V-ing
must I have hissed? must you have hissed? must she have hissed? must we have hissed? must you have hissed? must they have hissed?	must I have been hissing? must you have been hissing? must she have been hissing? must we have been hissing? must you have been hissing? must they have been hissing?

Forma interro-negativa

Forma simple	Forma con V-ing
mustn't I hiss? mustn't you hiss? mustn't she hiss? mustn't we hiss? mustn't you hiss? mustn't they hiss?	mustn't I be hissing? mustn't you be hissing? mustn't she be hissing? mustn't we be hissing? mustn't you be hissing? mustn't they be hissing?
Perfecto	Perfecto con V-ing
mustn't I have hissed? mustn't you have hissed? mustn't she have hissed? mustn't we have hissed? mustn't you have hissed? mustn't they have hissed?	mustn't I have been hissing? mustn't you have been hissing? mustn't she have been hissing? mustn't we have been hissing? mustn't you have been hissing? mustn't they have been hissing?