must eyewitness
Verbe régulier : eyewitness - eyewitnessed- eyewitnessed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must eyewitness
you must eyewitness
she must eyewitness
we must eyewitness
you must eyewitness
they must eyewitness 	I must be eyewitnessing
you must be eyewitnessing
she must be eyewitnessing
we must be eyewitnessing
you must be eyewitnessing
they must be eyewitnessing	I must have eyewitnessed
you must have eyewitnessed
she must have eyewitnessed
we must have eyewitnessed
you must have eyewitnessed
they must have eyewitnessed	I must have been eyewitnessing
you must have been eyewitnessing
she must have been eyewitnessing
we must have been eyewitnessing
you must have been eyewitnessing
they must have been eyewitnessing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't eyewitness
you mustn't eyewitness
she mustn't eyewitness
we mustn't eyewitness
you mustn't eyewitness
they mustn't eyewitness 	I mustn't be eyewitnessing
you mustn't be eyewitnessing
she mustn't be eyewitnessing
we mustn't be eyewitnessing
you mustn't be eyewitnessing
they mustn't be eyewitnessing	I mustn't have eyewitnessed
you mustn't have eyewitnessed
she mustn't have eyewitnessed
we mustn't have eyewitnessed
you mustn't have eyewitnessed
they mustn't have eyewitnessed	I mustn't have been eyewitnessing
you mustn't have been eyewitnessing
she mustn't have been eyewitnessing
we mustn't have been eyewitnessing
you mustn't have been eyewitnessing
they mustn't have been eyewitnessing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I eyewitness?
must you eyewitness?
must she eyewitness?
must we eyewitness?
must you eyewitness?
must they eyewitness? 	must I be eyewitnessing?
must you be eyewitnessing?
must she be eyewitnessing?
must we be eyewitnessing?
must you be eyewitnessing?
must they be eyewitnessing? 	must I have eyewitnessed?
must you have eyewitnessed?
must she have eyewitnessed?
must we have eyewitnessed?
must you have eyewitnessed?
must they have eyewitnessed? 	must I have been eyewitnessing?
must you have been eyewitnessing?
must she have been eyewitnessing?
must we have been eyewitnessing?
must you have been eyewitnessing?
must they have been eyewitnessing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I eyewitness?
mustn't you eyewitness?
mustn't she eyewitness?
mustn't we eyewitness?
mustn't you eyewitness?
mustn't they eyewitness? 	mustn't I be eyewitnessing?
mustn't you be eyewitnessing?
mustn't she be eyewitnessing?
mustn't we be eyewitnessing?
mustn't you be eyewitnessing?
mustn't they be eyewitnessing? 	mustn't I have eyewitnessed?
mustn't you have eyewitnessed?
mustn't she have eyewitnessed?
mustn't we have eyewitnessed?
mustn't you have eyewitnessed?
mustn't they have eyewitnessed? 	mustn't I have been eyewitnessing?
mustn't you have been eyewitnessing?
mustn't she have been eyewitnessing?
mustn't we have been eyewitnessing?
mustn't you have been eyewitnessing?
mustn't they have been eyewitnessing?