Conjugación del verbo inglés
MUST SCREW

Verbo regular: screw - screwed - screwed

Afirmación

Forma simple	Forma con V-ing
I must screw you must screw he must screw we must screw you must screw they must screw	I must be screwing you must be screwing he must be screwing we must be screwing you must be screwing they must be screwing
Perfecto	Perfecto con V-ing
I must have screwed you must have screwed he must have screwed we must have screwed you must have screwed they must have screwed	I must have been screwing you must have been screwing he must have been screwing we must have been screwing you must have been screwing they must have been screwing

Negación

Forma simple	Forma con V-ing
I mustn't screw you mustn't screw he mustn't screw we mustn't screw you mustn't screw they mustn't screw	I mustn't be screwing you mustn't be screwing he mustn't be screwing we mustn't be screwing you mustn't be screwing they mustn't be screwing
Perfecto	Perfecto con V-ing
I mustn't have screwed you mustn't have screwed he mustn't have screwed we mustn't have screwed you mustn't have screwed they mustn't have screwed	I mustn't have been screwing you mustn't have been screwing he mustn't have been screwing we mustn't have been screwing you mustn't have been screwing they mustn't have been screwing

Forma interrogativa

Forma simple	Forma con V-ing
must I screw? must you screw? must he screw? must we screw? must you screw? must they screw?	must I be screwing? must you be screwing? must he be screwing? must we be screwing? must you be screwing? must they be screwing?
Perfecto	Perfecto con V-ing
must I have screwed? must you have screwed? must he have screwed? must we have screwed? must you have screwed? must they have screwed?	must I have been screwing? must you have been screwing? must he have been screwing? must we have been screwing? must you have been screwing? must they have been screwing?

Forma interro-negativa

Forma simple	Forma con V-ing
mustn't I screw? mustn't you screw? mustn't he screw? mustn't we screw? mustn't you screw? mustn't they screw?	mustn't I be screwing? mustn't you be screwing? mustn't he be screwing? mustn't we be screwing? mustn't you be screwing? mustn't they be screwing?
Perfecto	Perfecto con V-ing
mustn't I have screwed? mustn't you have screwed? mustn't he have screwed? mustn't we have screwed? mustn't you have screwed? mustn't they have screwed?	mustn't I have been screwing? mustn't you have been screwing? mustn't he have been screwing? mustn't we have been screwing? mustn't you have been screwing? mustn't they have been screwing?