must nail
Verbo regolare: nail - nailed- nailed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must nail
you must nail
he must nail
we must nail
you must nail
they must nail 	I must be nailing
you must be nailing
he must be nailing
we must be nailing
you must be nailing
they must be nailing	I must have nailed
you must have nailed
he must have nailed
we must have nailed
you must have nailed
they must have nailed	I must have been nailing
you must have been nailing
he must have been nailing
we must have been nailing
you must have been nailing
they must have been nailing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not nail
you must not nail
he must not nail
we must not nail
you must not nail
they must not nail 	I must not be nailing
you must not be nailing
he must not be nailing
we must not be nailing
you must not be nailing
they must not be nailing	I must not have nailed
you must not have nailed
he must not have nailed
we must not have nailed
you must not have nailed
they must not have nailed	I must not have been nailing
you must not have been nailing
he must not have been nailing
we must not have been nailing
you must not have been nailing
they must not have been nailing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I nail?
must you nail?
must he nail?
must we nail?
must you nail?
must they nail? 	must I be nailing?
must you be nailing?
must he be nailing?
must we be nailing?
must you be nailing?
must they be nailing? 	must I have nailed?
must you have nailed?
must he have nailed?
must we have nailed?
must you have nailed?
must they have nailed? 	must I have been nailing?
must you have been nailing?
must he have been nailing?
must we have been nailing?
must you have been nailing?
must they have been nailing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not nail?
must you not nail?
must he not nail?
must we not nail?
must you not nail?
must they not nail? 	must I not be nailing?
must you not be nailing?
must he not be nailing?
must we not be nailing?
must you not be nailing?
must they not be nailing? 	must I not have nailed?
must you not have nailed?
must he not have nailed?
must we not have nailed?
must you not have nailed?
must they not have nailed? 	must I not have been nailing?
must you not have been nailing?
must he not have been nailing?
must we not have been nailing?
must you not have been nailing?
must they not have been nailing?