must jest
Verbo regular: jest - jested- jested

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must jest
you must jest
he must jest
we must jest
you must jest
they must jest 	I must be jesting
you must be jesting
he must be jesting
we must be jesting
you must be jesting
they must be jesting	I must have jested
you must have jested
he must have jested
we must have jested
you must have jested
they must have jested	I must have been jesting
you must have been jesting
he must have been jesting
we must have been jesting
you must have been jesting
they must have been jesting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't jest
you mustn't jest
he mustn't jest
we mustn't jest
you mustn't jest
they mustn't jest 	I mustn't be jesting
you mustn't be jesting
he mustn't be jesting
we mustn't be jesting
you mustn't be jesting
they mustn't be jesting	I mustn't have jested
you mustn't have jested
he mustn't have jested
we mustn't have jested
you mustn't have jested
they mustn't have jested	I mustn't have been jesting
you mustn't have been jesting
he mustn't have been jesting
we mustn't have been jesting
you mustn't have been jesting
they mustn't have been jesting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I jest?
must you jest?
must he jest?
must we jest?
must you jest?
must they jest? 	must I be jesting?
must you be jesting?
must he be jesting?
must we be jesting?
must you be jesting?
must they be jesting? 	must I have jested?
must you have jested?
must he have jested?
must we have jested?
must you have jested?
must they have jested? 	must I have been jesting?
must you have been jesting?
must he have been jesting?
must we have been jesting?
must you have been jesting?
must they have been jesting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I jest?
mustn't you jest?
mustn't he jest?
mustn't we jest?
mustn't you jest?
mustn't they jest? 	mustn't I be jesting?
mustn't you be jesting?
mustn't he be jesting?
mustn't we be jesting?
mustn't you be jesting?
mustn't they be jesting? 	mustn't I have jested?
mustn't you have jested?
mustn't he have jested?
mustn't we have jested?
mustn't you have jested?
mustn't they have jested? 	mustn't I have been jesting?
mustn't you have been jesting?
mustn't he have been jesting?
mustn't we have been jesting?
mustn't you have been jesting?
mustn't they have been jesting?