must tool
Verbo regolare: tool - tooled- tooled

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must tool
you must tool
he must tool
we must tool
you must tool
they must tool 	I must be tooling
you must be tooling
he must be tooling
we must be tooling
you must be tooling
they must be tooling	I must have tooled
you must have tooled
he must have tooled
we must have tooled
you must have tooled
they must have tooled	I must have been tooling
you must have been tooling
he must have been tooling
we must have been tooling
you must have been tooling
they must have been tooling	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not tool
you must not tool
he must not tool
we must not tool
you must not tool
they must not tool 	I must not be tooling
you must not be tooling
he must not be tooling
we must not be tooling
you must not be tooling
they must not be tooling	I must not have tooled
you must not have tooled
he must not have tooled
we must not have tooled
you must not have tooled
they must not have tooled	I must not have been tooling
you must not have been tooling
he must not have been tooling
we must not have been tooling
you must not have been tooling
they must not have been tooling	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I tool?
must you tool?
must he tool?
must we tool?
must you tool?
must they tool? 	must I be tooling?
must you be tooling?
must he be tooling?
must we be tooling?
must you be tooling?
must they be tooling? 	must I have tooled?
must you have tooled?
must he have tooled?
must we have tooled?
must you have tooled?
must they have tooled? 	must I have been tooling?
must you have been tooling?
must he have been tooling?
must we have been tooling?
must you have been tooling?
must they have been tooling? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not tool?
must you not tool?
must he not tool?
must we not tool?
must you not tool?
must they not tool? 	must I not be tooling?
must you not be tooling?
must he not be tooling?
must we not be tooling?
must you not be tooling?
must they not be tooling? 	must I not have tooled?
must you not have tooled?
must he not have tooled?
must we not have tooled?
must you not have tooled?
must they not have tooled? 	must I not have been tooling?
must you not have been tooling?
must he not have been tooling?
must we not have been tooling?
must you not have been tooling?
must they not have been tooling?