must preexamine
Verbo regular: preexamine - preexamined- preexamined

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must preexamine
you must preexamine
he must preexamine
we must preexamine
you must preexamine
they must preexamine 	I must be preexamining
you must be preexamining
he must be preexamining
we must be preexamining
you must be preexamining
they must be preexamining	I must have preexamined
you must have preexamined
he must have preexamined
we must have preexamined
you must have preexamined
they must have preexamined	I must have been preexamining
you must have been preexamining
he must have been preexamining
we must have been preexamining
you must have been preexamining
they must have been preexamining	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not preexamine
you must not preexamine
he must not preexamine
we must not preexamine
you must not preexamine
they must not preexamine 	I must not be preexamining
you must not be preexamining
he must not be preexamining
we must not be preexamining
you must not be preexamining
they must not be preexamining	I must not have preexamined
you must not have preexamined
he must not have preexamined
we must not have preexamined
you must not have preexamined
they must not have preexamined	I must not have been preexamining
you must not have been preexamining
he must not have been preexamining
we must not have been preexamining
you must not have been preexamining
they must not have been preexamining	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I preexamine?
must you preexamine?
must he preexamine?
must we preexamine?
must you preexamine?
must they preexamine? 	must I be preexamining?
must you be preexamining?
must he be preexamining?
must we be preexamining?
must you be preexamining?
must they be preexamining? 	must I have preexamined?
must you have preexamined?
must he have preexamined?
must we have preexamined?
must you have preexamined?
must they have preexamined? 	must I have been preexamining?
must you have been preexamining?
must he have been preexamining?
must we have been preexamining?
must you have been preexamining?
must they have been preexamining? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not preexamine?
must you not preexamine?
must he not preexamine?
must we not preexamine?
must you not preexamine?
must they not preexamine? 	must I not be preexamining?
must you not be preexamining?
must he not be preexamining?
must we not be preexamining?
must you not be preexamining?
must they not be preexamining? 	must I not have preexamined?
must you not have preexamined?
must he not have preexamined?
must we not have preexamined?
must you not have preexamined?
must they not have preexamined? 	must I not have been preexamining?
must you not have been preexamining?
must he not have been preexamining?
must we not have been preexamining?
must you not have been preexamining?
must they not have been preexamining?