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
she must search
we must search
you must search
they must search 	I must be searching
you must be searching
she must be searching
we must be searching
you must be searching
they must be searching	I must have searched
you must have searched
she 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
she 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 must not search
you must not search
she must not search
we must not search
you must not search
they must not search 	I must not be searching
you must not be searching
she must not be searching
we must not be searching
you must not be searching
they must not be searching	I must not have searched
you must not have searched
she must not have searched
we must not have searched
you must not have searched
they must not have searched	I must not have been searching
you must not have been searching
she must not have been searching
we must not have been searching
you must not have been searching
they must not have been searching	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I search?
must you search?
must she search?
must we search?
must you search?
must they search? 	must I be searching?
must you be searching?
must she be searching?
must we be searching?
must you be searching?
must they be searching? 	must I have searched?
must you have searched?
must she 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 she 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 	
must I not search?
must you not search?
must she not search?
must we not search?
must you not search?
must they not search? 	must I not be searching?
must you not be searching?
must she not be searching?
must we not be searching?
must you not be searching?
must they not be searching? 	must I not have searched?
must you not have searched?
must she not have searched?
must we not have searched?
must you not have searched?
must they not have searched? 	must I not have been searching?
must you not have been searching?
must she not have been searching?
must we not have been searching?
must you not have been searching?
must they not have been searching?