English verb conjugation
MUST EYEWITNESS

Regular verb: eyewitness - eyewitnessed - eyewitnessed

Affirmation

Simple form	V-ing form
I must eyewitness you must eyewitness he must eyewitness we must eyewitness you must eyewitness they must eyewitness	I must be eyewitnessing you must be eyewitnessing he must be eyewitnessing we must be eyewitnessing you must be eyewitnessing they must be eyewitnessing
Perfect	V-ing perfect
I must have eyewitnessed you must have eyewitnessed he 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 he must have been eyewitnessing we must have been eyewitnessing you must have been eyewitnessing they must have been eyewitnessing

Negation

Simple form	V-ing form
I mustn't eyewitness you mustn't eyewitness he 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 he mustn't be eyewitnessing we mustn't be eyewitnessing you mustn't be eyewitnessing they mustn't be eyewitnessing
Perfect	V-ing perfect
I mustn't have eyewitnessed you mustn't have eyewitnessed he 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 he mustn't have been eyewitnessing we mustn't have been eyewitnessing you mustn't have been eyewitnessing they mustn't have been eyewitnessing

Interrogative form

Simple form	V-ing form
must I eyewitness? must you eyewitness? must he eyewitness? must we eyewitness? must you eyewitness? must they eyewitness?	must I be eyewitnessing? must you be eyewitnessing? must he be eyewitnessing? must we be eyewitnessing? must you be eyewitnessing? must they be eyewitnessing?
Perfect	V-ing perfect
must I have eyewitnessed? must you have eyewitnessed? must he 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 he have been eyewitnessing? must we have been eyewitnessing? must you have been eyewitnessing? must they have been eyewitnessing?

Interro-negative form

Simple form	V-ing form
mustn't I eyewitness? mustn't you eyewitness? mustn't he 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 he be eyewitnessing? mustn't we be eyewitnessing? mustn't you be eyewitnessing? mustn't they be eyewitnessing?
Perfect	V-ing perfect
mustn't I have eyewitnessed? mustn't you have eyewitnessed? mustn't he 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 he have been eyewitnessing? mustn't we have been eyewitnessing? mustn't you have been eyewitnessing? mustn't they have been eyewitnessing?