must preinsert
Verbo regular: preinsert - preinserted- preinserted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must preinsert
you must preinsert
he must preinsert
we must preinsert
you must preinsert
they must preinsert 	I must be preinserting
you must be preinserting
he must be preinserting
we must be preinserting
you must be preinserting
they must be preinserting	I must have preinserted
you must have preinserted
he must have preinserted
we must have preinserted
you must have preinserted
they must have preinserted	I must have been preinserting
you must have been preinserting
he must have been preinserting
we must have been preinserting
you must have been preinserting
they must have been preinserting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't preinsert
you mustn't preinsert
he mustn't preinsert
we mustn't preinsert
you mustn't preinsert
they mustn't preinsert 	I mustn't be preinserting
you mustn't be preinserting
he mustn't be preinserting
we mustn't be preinserting
you mustn't be preinserting
they mustn't be preinserting	I mustn't have preinserted
you mustn't have preinserted
he mustn't have preinserted
we mustn't have preinserted
you mustn't have preinserted
they mustn't have preinserted	I mustn't have been preinserting
you mustn't have been preinserting
he mustn't have been preinserting
we mustn't have been preinserting
you mustn't have been preinserting
they mustn't have been preinserting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I preinsert?
must you preinsert?
must he preinsert?
must we preinsert?
must you preinsert?
must they preinsert? 	must I be preinserting?
must you be preinserting?
must he be preinserting?
must we be preinserting?
must you be preinserting?
must they be preinserting? 	must I have preinserted?
must you have preinserted?
must he have preinserted?
must we have preinserted?
must you have preinserted?
must they have preinserted? 	must I have been preinserting?
must you have been preinserting?
must he have been preinserting?
must we have been preinserting?
must you have been preinserting?
must they have been preinserting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I preinsert?
mustn't you preinsert?
mustn't he preinsert?
mustn't we preinsert?
mustn't you preinsert?
mustn't they preinsert? 	mustn't I be preinserting?
mustn't you be preinserting?
mustn't he be preinserting?
mustn't we be preinserting?
mustn't you be preinserting?
mustn't they be preinserting? 	mustn't I have preinserted?
mustn't you have preinserted?
mustn't he have preinserted?
mustn't we have preinserted?
mustn't you have preinserted?
mustn't they have preinserted? 	mustn't I have been preinserting?
mustn't you have been preinserting?
mustn't he have been preinserting?
mustn't we have been preinserting?
mustn't you have been preinserting?
mustn't they have been preinserting?