must preexamine
Regular verb: preexamine - preexamined- preexamined

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't preexamine
you mustn't preexamine
he mustn't preexamine
we mustn't preexamine
you mustn't preexamine
they mustn't preexamine 	I mustn't be preexamining
you mustn't be preexamining
he mustn't be preexamining
we mustn't be preexamining
you mustn't be preexamining
they mustn't be preexamining	I mustn't have preexamined
you mustn't have preexamined
he mustn't have preexamined
we mustn't have preexamined
you mustn't have preexamined
they mustn't have preexamined	I mustn't have been preexamining
you mustn't have been preexamining
he mustn't have been preexamining
we mustn't have been preexamining
you mustn't have been preexamining
they mustn't have been preexamining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I preexamine?
mustn't you preexamine?
mustn't he preexamine?
mustn't we preexamine?
mustn't you preexamine?
mustn't they preexamine? 	mustn't I be preexamining?
mustn't you be preexamining?
mustn't he be preexamining?
mustn't we be preexamining?
mustn't you be preexamining?
mustn't they be preexamining? 	mustn't I have preexamined?
mustn't you have preexamined?
mustn't he have preexamined?
mustn't we have preexamined?
mustn't you have preexamined?
mustn't they have preexamined? 	mustn't I have been preexamining?
mustn't you have been preexamining?
mustn't he have been preexamining?
mustn't we have been preexamining?
mustn't you have been preexamining?
mustn't they have been preexamining?