must fuse
Verbo regolare: fuse - fused- fused

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must fuse
you must fuse
she must fuse
we must fuse
you must fuse
they must fuse 	I must be fusing
you must be fusing
she must be fusing
we must be fusing
you must be fusing
they must be fusing	I must have fused
you must have fused
she must have fused
we must have fused
you must have fused
they must have fused	I must have been fusing
you must have been fusing
she must have been fusing
we must have been fusing
you must have been fusing
they must have been fusing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not fuse
you must not fuse
she must not fuse
we must not fuse
you must not fuse
they must not fuse 	I must not be fusing
you must not be fusing
she must not be fusing
we must not be fusing
you must not be fusing
they must not be fusing	I must not have fused
you must not have fused
she must not have fused
we must not have fused
you must not have fused
they must not have fused	I must not have been fusing
you must not have been fusing
she must not have been fusing
we must not have been fusing
you must not have been fusing
they must not have been fusing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I fuse?
must you fuse?
must she fuse?
must we fuse?
must you fuse?
must they fuse? 	must I be fusing?
must you be fusing?
must she be fusing?
must we be fusing?
must you be fusing?
must they be fusing? 	must I have fused?
must you have fused?
must she have fused?
must we have fused?
must you have fused?
must they have fused? 	must I have been fusing?
must you have been fusing?
must she have been fusing?
must we have been fusing?
must you have been fusing?
must they have been fusing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not fuse?
must you not fuse?
must she not fuse?
must we not fuse?
must you not fuse?
must they not fuse? 	must I not be fusing?
must you not be fusing?
must she not be fusing?
must we not be fusing?
must you not be fusing?
must they not be fusing? 	must I not have fused?
must you not have fused?
must she not have fused?
must we not have fused?
must you not have fused?
must they not have fused? 	must I not have been fusing?
must you not have been fusing?
must she not have been fusing?
must we not have been fusing?
must you not have been fusing?
must they not have been fusing?