must machine
Verbe régulier : machine - machined- machined
Traduction française : coudre à la machine - fabriquer à la machine 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must machine
you must machine
she must machine
we must machine
you must machine
they must machine 	I must be machining
you must be machining
she must be machining
we must be machining
you must be machining
they must be machining	I must have machined
you must have machined
she must have machined
we must have machined
you must have machined
they must have machined	I must have been machining
you must have been machining
she must have been machining
we must have been machining
you must have been machining
they must have been machining	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't machine
you mustn't machine
she mustn't machine
we mustn't machine
you mustn't machine
they mustn't machine 	I mustn't be machining
you mustn't be machining
she mustn't be machining
we mustn't be machining
you mustn't be machining
they mustn't be machining	I mustn't have machined
you mustn't have machined
she mustn't have machined
we mustn't have machined
you mustn't have machined
they mustn't have machined	I mustn't have been machining
you mustn't have been machining
she mustn't have been machining
we mustn't have been machining
you mustn't have been machining
they mustn't have been machining	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I machine?
must you machine?
must she machine?
must we machine?
must you machine?
must they machine? 	must I be machining?
must you be machining?
must she be machining?
must we be machining?
must you be machining?
must they be machining? 	must I have machined?
must you have machined?
must she have machined?
must we have machined?
must you have machined?
must they have machined? 	must I have been machining?
must you have been machining?
must she have been machining?
must we have been machining?
must you have been machining?
must they have been machining? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I machine?
mustn't you machine?
mustn't she machine?
mustn't we machine?
mustn't you machine?
mustn't they machine? 	mustn't I be machining?
mustn't you be machining?
mustn't she be machining?
mustn't we be machining?
mustn't you be machining?
mustn't they be machining? 	mustn't I have machined?
mustn't you have machined?
mustn't she have machined?
mustn't we have machined?
mustn't you have machined?
mustn't they have machined? 	mustn't I have been machining?
mustn't you have been machining?
mustn't she have been machining?
mustn't we have been machining?
mustn't you have been machining?
mustn't they have been machining?