must fossick
Verbo regular: fossick - fossicked- fossicked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must fossick
you must fossick
he must fossick
we must fossick
you must fossick
they must fossick 	I must be fossicking
you must be fossicking
he must be fossicking
we must be fossicking
you must be fossicking
they must be fossicking	I must have fossicked
you must have fossicked
he must have fossicked
we must have fossicked
you must have fossicked
they must have fossicked	I must have been fossicking
you must have been fossicking
he must have been fossicking
we must have been fossicking
you must have been fossicking
they must have been fossicking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't fossick
you mustn't fossick
he mustn't fossick
we mustn't fossick
you mustn't fossick
they mustn't fossick 	I mustn't be fossicking
you mustn't be fossicking
he mustn't be fossicking
we mustn't be fossicking
you mustn't be fossicking
they mustn't be fossicking	I mustn't have fossicked
you mustn't have fossicked
he mustn't have fossicked
we mustn't have fossicked
you mustn't have fossicked
they mustn't have fossicked	I mustn't have been fossicking
you mustn't have been fossicking
he mustn't have been fossicking
we mustn't have been fossicking
you mustn't have been fossicking
they mustn't have been fossicking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I fossick?
must you fossick?
must he fossick?
must we fossick?
must you fossick?
must they fossick? 	must I be fossicking?
must you be fossicking?
must he be fossicking?
must we be fossicking?
must you be fossicking?
must they be fossicking? 	must I have fossicked?
must you have fossicked?
must he have fossicked?
must we have fossicked?
must you have fossicked?
must they have fossicked? 	must I have been fossicking?
must you have been fossicking?
must he have been fossicking?
must we have been fossicking?
must you have been fossicking?
must they have been fossicking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I fossick?
mustn't you fossick?
mustn't he fossick?
mustn't we fossick?
mustn't you fossick?
mustn't they fossick? 	mustn't I be fossicking?
mustn't you be fossicking?
mustn't he be fossicking?
mustn't we be fossicking?
mustn't you be fossicking?
mustn't they be fossicking? 	mustn't I have fossicked?
mustn't you have fossicked?
mustn't he have fossicked?
mustn't we have fossicked?
mustn't you have fossicked?
mustn't they have fossicked? 	mustn't I have been fossicking?
mustn't you have been fossicking?
mustn't he have been fossicking?
mustn't we have been fossicking?
mustn't you have been fossicking?
mustn't they have been fossicking?