Conjugación del verbo inglés
MUST PREWORK

Verbo regular: prework - preworked - preworked

Afirmación

Forma simple	Forma con V-ing
I must prework you must prework he must prework we must prework you must prework they must prework	I must be preworking you must be preworking he must be preworking we must be preworking you must be preworking they must be preworking
Perfecto	Perfecto con V-ing
I must have preworked you must have preworked he must have preworked we must have preworked you must have preworked they must have preworked	I must have been preworking you must have been preworking he must have been preworking we must have been preworking you must have been preworking they must have been preworking

Negación

Forma simple	Forma con V-ing
I mustn't prework you mustn't prework he mustn't prework we mustn't prework you mustn't prework they mustn't prework	I mustn't be preworking you mustn't be preworking he mustn't be preworking we mustn't be preworking you mustn't be preworking they mustn't be preworking
Perfecto	Perfecto con V-ing
I mustn't have preworked you mustn't have preworked he mustn't have preworked we mustn't have preworked you mustn't have preworked they mustn't have preworked	I mustn't have been preworking you mustn't have been preworking he mustn't have been preworking we mustn't have been preworking you mustn't have been preworking they mustn't have been preworking

Forma interrogativa

Forma simple	Forma con V-ing
must I prework? must you prework? must he prework? must we prework? must you prework? must they prework?	must I be preworking? must you be preworking? must he be preworking? must we be preworking? must you be preworking? must they be preworking?
Perfecto	Perfecto con V-ing
must I have preworked? must you have preworked? must he have preworked? must we have preworked? must you have preworked? must they have preworked?	must I have been preworking? must you have been preworking? must he have been preworking? must we have been preworking? must you have been preworking? must they have been preworking?

Forma interro-negativa

Forma simple	Forma con V-ing
mustn't I prework? mustn't you prework? mustn't he prework? mustn't we prework? mustn't you prework? mustn't they prework?	mustn't I be preworking? mustn't you be preworking? mustn't he be preworking? mustn't we be preworking? mustn't you be preworking? mustn't they be preworking?
Perfecto	Perfecto con V-ing
mustn't I have preworked? mustn't you have preworked? mustn't he have preworked? mustn't we have preworked? mustn't you have preworked? mustn't they have preworked?	mustn't I have been preworking? mustn't you have been preworking? mustn't he have been preworking? mustn't we have been preworking? mustn't you have been preworking? mustn't they have been preworking?