must prepave
Verbo regular: prepave - prepaved- prepaved

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must prepave
you must prepave
he must prepave
we must prepave
you must prepave
they must prepave 	I must be prepaving
you must be prepaving
he must be prepaving
we must be prepaving
you must be prepaving
they must be prepaving	I must have prepaved
you must have prepaved
he must have prepaved
we must have prepaved
you must have prepaved
they must have prepaved	I must have been prepaving
you must have been prepaving
he must have been prepaving
we must have been prepaving
you must have been prepaving
they must have been prepaving	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't prepave
you mustn't prepave
he mustn't prepave
we mustn't prepave
you mustn't prepave
they mustn't prepave 	I mustn't be prepaving
you mustn't be prepaving
he mustn't be prepaving
we mustn't be prepaving
you mustn't be prepaving
they mustn't be prepaving	I mustn't have prepaved
you mustn't have prepaved
he mustn't have prepaved
we mustn't have prepaved
you mustn't have prepaved
they mustn't have prepaved	I mustn't have been prepaving
you mustn't have been prepaving
he mustn't have been prepaving
we mustn't have been prepaving
you mustn't have been prepaving
they mustn't have been prepaving	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I prepave?
must you prepave?
must he prepave?
must we prepave?
must you prepave?
must they prepave? 	must I be prepaving?
must you be prepaving?
must he be prepaving?
must we be prepaving?
must you be prepaving?
must they be prepaving? 	must I have prepaved?
must you have prepaved?
must he have prepaved?
must we have prepaved?
must you have prepaved?
must they have prepaved? 	must I have been prepaving?
must you have been prepaving?
must he have been prepaving?
must we have been prepaving?
must you have been prepaving?
must they have been prepaving? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I prepave?
mustn't you prepave?
mustn't he prepave?
mustn't we prepave?
mustn't you prepave?
mustn't they prepave? 	mustn't I be prepaving?
mustn't you be prepaving?
mustn't he be prepaving?
mustn't we be prepaving?
mustn't you be prepaving?
mustn't they be prepaving? 	mustn't I have prepaved?
mustn't you have prepaved?
mustn't he have prepaved?
mustn't we have prepaved?
mustn't you have prepaved?
mustn't they have prepaved? 	mustn't I have been prepaving?
mustn't you have been prepaving?
mustn't he have been prepaving?
mustn't we have been prepaving?
mustn't you have been prepaving?
mustn't they have been prepaving?