must metal
Verbe régulier : metal - metalled- metalled
Traduction française : couvrir de métal - empierrer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must metal
you must metal
he must metal
we must metal
you must metal
they must metal 	I must be metalling
you must be metalling
he must be metalling
we must be metalling
you must be metalling
they must be metalling	I must have metalled
you must have metalled
he must have metalled
we must have metalled
you must have metalled
they must have metalled	I must have been metalling
you must have been metalling
he must have been metalling
we must have been metalling
you must have been metalling
they must have been metalling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not metal
you must not metal
he must not metal
we must not metal
you must not metal
they must not metal 	I must not be metalling
you must not be metalling
he must not be metalling
we must not be metalling
you must not be metalling
they must not be metalling	I must not have metalled
you must not have metalled
he must not have metalled
we must not have metalled
you must not have metalled
they must not have metalled	I must not have been metalling
you must not have been metalling
he must not have been metalling
we must not have been metalling
you must not have been metalling
they must not have been metalling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I metal?
must you metal?
must he metal?
must we metal?
must you metal?
must they metal? 	must I be metalling?
must you be metalling?
must he be metalling?
must we be metalling?
must you be metalling?
must they be metalling? 	must I have metalled?
must you have metalled?
must he have metalled?
must we have metalled?
must you have metalled?
must they have metalled? 	must I have been metalling?
must you have been metalling?
must he have been metalling?
must we have been metalling?
must you have been metalling?
must they have been metalling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not metal?
must you not metal?
must he not metal?
must we not metal?
must you not metal?
must they not metal? 	must I not be metalling?
must you not be metalling?
must he not be metalling?
must we not be metalling?
must you not be metalling?
must they not be metalling? 	must I not have metalled?
must you not have metalled?
must he not have metalled?
must we not have metalled?
must you not have metalled?
must they not have metalled? 	must I not have been metalling?
must you not have been metalling?
must he not have been metalling?
must we not have been metalling?
must you not have been metalling?
must they not have been metalling?