must constringe
Verbo regolare: constringe - constringed- constringed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must constringe
you must constringe
he must constringe
we must constringe
you must constringe
they must constringe 	I must be constringing
you must be constringing
he must be constringing
we must be constringing
you must be constringing
they must be constringing	I must have constringed
you must have constringed
he must have constringed
we must have constringed
you must have constringed
they must have constringed	I must have been constringing
you must have been constringing
he must have been constringing
we must have been constringing
you must have been constringing
they must have been constringing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not constringe
you must not constringe
he must not constringe
we must not constringe
you must not constringe
they must not constringe 	I must not be constringing
you must not be constringing
he must not be constringing
we must not be constringing
you must not be constringing
they must not be constringing	I must not have constringed
you must not have constringed
he must not have constringed
we must not have constringed
you must not have constringed
they must not have constringed	I must not have been constringing
you must not have been constringing
he must not have been constringing
we must not have been constringing
you must not have been constringing
they must not have been constringing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I constringe?
must you constringe?
must he constringe?
must we constringe?
must you constringe?
must they constringe? 	must I be constringing?
must you be constringing?
must he be constringing?
must we be constringing?
must you be constringing?
must they be constringing? 	must I have constringed?
must you have constringed?
must he have constringed?
must we have constringed?
must you have constringed?
must they have constringed? 	must I have been constringing?
must you have been constringing?
must he have been constringing?
must we have been constringing?
must you have been constringing?
must they have been constringing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not constringe?
must you not constringe?
must he not constringe?
must we not constringe?
must you not constringe?
must they not constringe? 	must I not be constringing?
must you not be constringing?
must he not be constringing?
must we not be constringing?
must you not be constringing?
must they not be constringing? 	must I not have constringed?
must you not have constringed?
must he not have constringed?
must we not have constringed?
must you not have constringed?
must they not have constringed? 	must I not have been constringing?
must you not have been constringing?
must he not have been constringing?
must we not have been constringing?
must you not have been constringing?
must they not have been constringing?