must mothball
Verbo regolare: mothball - mothballed- mothballed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must mothball
you must mothball
she must mothball
we must mothball
you must mothball
they must mothball 	I must be mothballing
you must be mothballing
she must be mothballing
we must be mothballing
you must be mothballing
they must be mothballing	I must have mothballed
you must have mothballed
she must have mothballed
we must have mothballed
you must have mothballed
they must have mothballed	I must have been mothballing
you must have been mothballing
she must have been mothballing
we must have been mothballing
you must have been mothballing
they must have been mothballing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not mothball
you must not mothball
she must not mothball
we must not mothball
you must not mothball
they must not mothball 	I must not be mothballing
you must not be mothballing
she must not be mothballing
we must not be mothballing
you must not be mothballing
they must not be mothballing	I must not have mothballed
you must not have mothballed
she must not have mothballed
we must not have mothballed
you must not have mothballed
they must not have mothballed	I must not have been mothballing
you must not have been mothballing
she must not have been mothballing
we must not have been mothballing
you must not have been mothballing
they must not have been mothballing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I mothball?
must you mothball?
must she mothball?
must we mothball?
must you mothball?
must they mothball? 	must I be mothballing?
must you be mothballing?
must she be mothballing?
must we be mothballing?
must you be mothballing?
must they be mothballing? 	must I have mothballed?
must you have mothballed?
must she have mothballed?
must we have mothballed?
must you have mothballed?
must they have mothballed? 	must I have been mothballing?
must you have been mothballing?
must she have been mothballing?
must we have been mothballing?
must you have been mothballing?
must they have been mothballing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not mothball?
must you not mothball?
must she not mothball?
must we not mothball?
must you not mothball?
must they not mothball? 	must I not be mothballing?
must you not be mothballing?
must she not be mothballing?
must we not be mothballing?
must you not be mothballing?
must they not be mothballing? 	must I not have mothballed?
must you not have mothballed?
must she not have mothballed?
must we not have mothballed?
must you not have mothballed?
must they not have mothballed? 	must I not have been mothballing?
must you not have been mothballing?
must she not have been mothballing?
must we not have been mothballing?
must you not have been mothballing?
must they not have been mothballing?