must perch
Verbo regolare: perch - perched- perched

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must perch
you must perch
he must perch
we must perch
you must perch
they must perch 	I must be perching
you must be perching
he must be perching
we must be perching
you must be perching
they must be perching	I must have perched
you must have perched
he must have perched
we must have perched
you must have perched
they must have perched	I must have been perching
you must have been perching
he must have been perching
we must have been perching
you must have been perching
they must have been perching	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mustn't perch
you mustn't perch
he mustn't perch
we mustn't perch
you mustn't perch
they mustn't perch 	I mustn't be perching
you mustn't be perching
he mustn't be perching
we mustn't be perching
you mustn't be perching
they mustn't be perching	I mustn't have perched
you mustn't have perched
he mustn't have perched
we mustn't have perched
you mustn't have perched
they mustn't have perched	I mustn't have been perching
you mustn't have been perching
he mustn't have been perching
we mustn't have been perching
you mustn't have been perching
they mustn't have been perching	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I perch?
must you perch?
must he perch?
must we perch?
must you perch?
must they perch? 	must I be perching?
must you be perching?
must he be perching?
must we be perching?
must you be perching?
must they be perching? 	must I have perched?
must you have perched?
must he have perched?
must we have perched?
must you have perched?
must they have perched? 	must I have been perching?
must you have been perching?
must he have been perching?
must we have been perching?
must you have been perching?
must they have been perching? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
mustn't I perch?
mustn't you perch?
mustn't he perch?
mustn't we perch?
mustn't you perch?
mustn't they perch? 	mustn't I be perching?
mustn't you be perching?
mustn't he be perching?
mustn't we be perching?
mustn't you be perching?
mustn't they be perching? 	mustn't I have perched?
mustn't you have perched?
mustn't he have perched?
mustn't we have perched?
mustn't you have perched?
mustn't they have perched? 	mustn't I have been perching?
mustn't you have been perching?
mustn't he have been perching?
mustn't we have been perching?
mustn't you have been perching?
mustn't they have been perching?