must prepack
Verbo regular: prepack - prepacked- prepacked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must prepack
you must prepack
she must prepack
we must prepack
you must prepack
they must prepack 	I must be prepacking
you must be prepacking
she must be prepacking
we must be prepacking
you must be prepacking
they must be prepacking	I must have prepacked
you must have prepacked
she must have prepacked
we must have prepacked
you must have prepacked
they must have prepacked	I must have been prepacking
you must have been prepacking
she must have been prepacking
we must have been prepacking
you must have been prepacking
they must have been prepacking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't prepack
you mustn't prepack
she mustn't prepack
we mustn't prepack
you mustn't prepack
they mustn't prepack 	I mustn't be prepacking
you mustn't be prepacking
she mustn't be prepacking
we mustn't be prepacking
you mustn't be prepacking
they mustn't be prepacking	I mustn't have prepacked
you mustn't have prepacked
she mustn't have prepacked
we mustn't have prepacked
you mustn't have prepacked
they mustn't have prepacked	I mustn't have been prepacking
you mustn't have been prepacking
she mustn't have been prepacking
we mustn't have been prepacking
you mustn't have been prepacking
they mustn't have been prepacking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I prepack?
must you prepack?
must she prepack?
must we prepack?
must you prepack?
must they prepack? 	must I be prepacking?
must you be prepacking?
must she be prepacking?
must we be prepacking?
must you be prepacking?
must they be prepacking? 	must I have prepacked?
must you have prepacked?
must she have prepacked?
must we have prepacked?
must you have prepacked?
must they have prepacked? 	must I have been prepacking?
must you have been prepacking?
must she have been prepacking?
must we have been prepacking?
must you have been prepacking?
must they have been prepacking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I prepack?
mustn't you prepack?
mustn't she prepack?
mustn't we prepack?
mustn't you prepack?
mustn't they prepack? 	mustn't I be prepacking?
mustn't you be prepacking?
mustn't she be prepacking?
mustn't we be prepacking?
mustn't you be prepacking?
mustn't they be prepacking? 	mustn't I have prepacked?
mustn't you have prepacked?
mustn't she have prepacked?
mustn't we have prepacked?
mustn't you have prepacked?
mustn't they have prepacked? 	mustn't I have been prepacking?
mustn't you have been prepacking?
mustn't she have been prepacking?
mustn't we have been prepacking?
mustn't you have been prepacking?
mustn't they have been prepacking?