must invest
Verbo regolare: invest - invested- invested

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must invest
you must invest
he must invest
we must invest
you must invest
they must invest 	I must be investing
you must be investing
he must be investing
we must be investing
you must be investing
they must be investing	I must have invested
you must have invested
he must have invested
we must have invested
you must have invested
they must have invested	I must have been investing
you must have been investing
he must have been investing
we must have been investing
you must have been investing
they must have been investing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mustn't invest
you mustn't invest
he mustn't invest
we mustn't invest
you mustn't invest
they mustn't invest 	I mustn't be investing
you mustn't be investing
he mustn't be investing
we mustn't be investing
you mustn't be investing
they mustn't be investing	I mustn't have invested
you mustn't have invested
he mustn't have invested
we mustn't have invested
you mustn't have invested
they mustn't have invested	I mustn't have been investing
you mustn't have been investing
he mustn't have been investing
we mustn't have been investing
you mustn't have been investing
they mustn't have been investing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I invest?
must you invest?
must he invest?
must we invest?
must you invest?
must they invest? 	must I be investing?
must you be investing?
must he be investing?
must we be investing?
must you be investing?
must they be investing? 	must I have invested?
must you have invested?
must he have invested?
must we have invested?
must you have invested?
must they have invested? 	must I have been investing?
must you have been investing?
must he have been investing?
must we have been investing?
must you have been investing?
must they have been investing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
mustn't I invest?
mustn't you invest?
mustn't he invest?
mustn't we invest?
mustn't you invest?
mustn't they invest? 	mustn't I be investing?
mustn't you be investing?
mustn't he be investing?
mustn't we be investing?
mustn't you be investing?
mustn't they be investing? 	mustn't I have invested?
mustn't you have invested?
mustn't he have invested?
mustn't we have invested?
mustn't you have invested?
mustn't they have invested? 	mustn't I have been investing?
mustn't you have been investing?
mustn't he have been investing?
mustn't we have been investing?
mustn't you have been investing?
mustn't they have been investing?