must neck
Verbe régulier : neck - necked- necked

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must neck
you must neck
he must neck
we must neck
you must neck
they must neck 	I must be necking
you must be necking
he must be necking
we must be necking
you must be necking
they must be necking	I must have necked
you must have necked
he must have necked
we must have necked
you must have necked
they must have necked	I must have been necking
you must have been necking
he must have been necking
we must have been necking
you must have been necking
they must have been necking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't neck
you mustn't neck
he mustn't neck
we mustn't neck
you mustn't neck
they mustn't neck 	I mustn't be necking
you mustn't be necking
he mustn't be necking
we mustn't be necking
you mustn't be necking
they mustn't be necking	I mustn't have necked
you mustn't have necked
he mustn't have necked
we mustn't have necked
you mustn't have necked
they mustn't have necked	I mustn't have been necking
you mustn't have been necking
he mustn't have been necking
we mustn't have been necking
you mustn't have been necking
they mustn't have been necking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I neck?
must you neck?
must he neck?
must we neck?
must you neck?
must they neck? 	must I be necking?
must you be necking?
must he be necking?
must we be necking?
must you be necking?
must they be necking? 	must I have necked?
must you have necked?
must he have necked?
must we have necked?
must you have necked?
must they have necked? 	must I have been necking?
must you have been necking?
must he have been necking?
must we have been necking?
must you have been necking?
must they have been necking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I neck?
mustn't you neck?
mustn't he neck?
mustn't we neck?
mustn't you neck?
mustn't they neck? 	mustn't I be necking?
mustn't you be necking?
mustn't he be necking?
mustn't we be necking?
mustn't you be necking?
mustn't they be necking? 	mustn't I have necked?
mustn't you have necked?
mustn't he have necked?
mustn't we have necked?
mustn't you have necked?
mustn't they have necked? 	mustn't I have been necking?
mustn't you have been necking?
mustn't he have been necking?
mustn't we have been necking?
mustn't you have been necking?
mustn't they have been necking?