must interleave
Verbo regolare: interleave - interleaved- interleaved

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must interleave
you must interleave
she must interleave
we must interleave
you must interleave
they must interleave 	I must be interleaving
you must be interleaving
she must be interleaving
we must be interleaving
you must be interleaving
they must be interleaving	I must have interleaved
you must have interleaved
she must have interleaved
we must have interleaved
you must have interleaved
they must have interleaved	I must have been interleaving
you must have been interleaving
she must have been interleaving
we must have been interleaving
you must have been interleaving
they must have been interleaving	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not interleave
you must not interleave
she must not interleave
we must not interleave
you must not interleave
they must not interleave 	I must not be interleaving
you must not be interleaving
she must not be interleaving
we must not be interleaving
you must not be interleaving
they must not be interleaving	I must not have interleaved
you must not have interleaved
she must not have interleaved
we must not have interleaved
you must not have interleaved
they must not have interleaved	I must not have been interleaving
you must not have been interleaving
she must not have been interleaving
we must not have been interleaving
you must not have been interleaving
they must not have been interleaving	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I interleave?
must you interleave?
must she interleave?
must we interleave?
must you interleave?
must they interleave? 	must I be interleaving?
must you be interleaving?
must she be interleaving?
must we be interleaving?
must you be interleaving?
must they be interleaving? 	must I have interleaved?
must you have interleaved?
must she have interleaved?
must we have interleaved?
must you have interleaved?
must they have interleaved? 	must I have been interleaving?
must you have been interleaving?
must she have been interleaving?
must we have been interleaving?
must you have been interleaving?
must they have been interleaving? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not interleave?
must you not interleave?
must she not interleave?
must we not interleave?
must you not interleave?
must they not interleave? 	must I not be interleaving?
must you not be interleaving?
must she not be interleaving?
must we not be interleaving?
must you not be interleaving?
must they not be interleaving? 	must I not have interleaved?
must you not have interleaved?
must she not have interleaved?
must we not have interleaved?
must you not have interleaved?
must they not have interleaved? 	must I not have been interleaving?
must you not have been interleaving?
must she not have been interleaving?
must we not have been interleaving?
must you not have been interleaving?
must they not have been interleaving?