must discover
Verbo regolare: discover - discovered- discovered

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must discover
you must discover
she must discover
we must discover
you must discover
they must discover 	I must be discovering
you must be discovering
she must be discovering
we must be discovering
you must be discovering
they must be discovering	I must have discovered
you must have discovered
she must have discovered
we must have discovered
you must have discovered
they must have discovered	I must have been discovering
you must have been discovering
she must have been discovering
we must have been discovering
you must have been discovering
they must have been discovering	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not discover
you must not discover
she must not discover
we must not discover
you must not discover
they must not discover 	I must not be discovering
you must not be discovering
she must not be discovering
we must not be discovering
you must not be discovering
they must not be discovering	I must not have discovered
you must not have discovered
she must not have discovered
we must not have discovered
you must not have discovered
they must not have discovered	I must not have been discovering
you must not have been discovering
she must not have been discovering
we must not have been discovering
you must not have been discovering
they must not have been discovering	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I discover?
must you discover?
must she discover?
must we discover?
must you discover?
must they discover? 	must I be discovering?
must you be discovering?
must she be discovering?
must we be discovering?
must you be discovering?
must they be discovering? 	must I have discovered?
must you have discovered?
must she have discovered?
must we have discovered?
must you have discovered?
must they have discovered? 	must I have been discovering?
must you have been discovering?
must she have been discovering?
must we have been discovering?
must you have been discovering?
must they have been discovering? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not discover?
must you not discover?
must she not discover?
must we not discover?
must you not discover?
must they not discover? 	must I not be discovering?
must you not be discovering?
must she not be discovering?
must we not be discovering?
must you not be discovering?
must they not be discovering? 	must I not have discovered?
must you not have discovered?
must she not have discovered?
must we not have discovered?
must you not have discovered?
must they not have discovered? 	must I not have been discovering?
must you not have been discovering?
must she not have been discovering?
must we not have been discovering?
must you not have been discovering?
must they not have been discovering?