must search
Verbo regular: search - searched- searched

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must search
you must search
he must search
we must search
you must search
they must search 	I must be searching
you must be searching
he must be searching
we must be searching
you must be searching
they must be searching	I must have searched
you must have searched
he must have searched
we must have searched
you must have searched
they must have searched	I must have been searching
you must have been searching
he must have been searching
we must have been searching
you must have been searching
they must have been searching	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't search
you mustn't search
he mustn't search
we mustn't search
you mustn't search
they mustn't search 	I mustn't be searching
you mustn't be searching
he mustn't be searching
we mustn't be searching
you mustn't be searching
they mustn't be searching	I mustn't have searched
you mustn't have searched
he mustn't have searched
we mustn't have searched
you mustn't have searched
they mustn't have searched	I mustn't have been searching
you mustn't have been searching
he mustn't have been searching
we mustn't have been searching
you mustn't have been searching
they mustn't have been searching	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I search?
must you search?
must he search?
must we search?
must you search?
must they search? 	must I be searching?
must you be searching?
must he be searching?
must we be searching?
must you be searching?
must they be searching? 	must I have searched?
must you have searched?
must he have searched?
must we have searched?
must you have searched?
must they have searched? 	must I have been searching?
must you have been searching?
must he have been searching?
must we have been searching?
must you have been searching?
must they have been searching? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I search?
mustn't you search?
mustn't he search?
mustn't we search?
mustn't you search?
mustn't they search? 	mustn't I be searching?
mustn't you be searching?
mustn't he be searching?
mustn't we be searching?
mustn't you be searching?
mustn't they be searching? 	mustn't I have searched?
mustn't you have searched?
mustn't he have searched?
mustn't we have searched?
mustn't you have searched?
mustn't they have searched? 	mustn't I have been searching?
mustn't you have been searching?
mustn't he have been searching?
mustn't we have been searching?
mustn't you have been searching?
mustn't they have been searching?