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
she must neck
we must neck
you must neck
they must neck 	I must be necking
you must be necking
she must be necking
we must be necking
you must be necking
they must be necking	I must have necked
you must have necked
she 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
she 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
she 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
she 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
she 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
she 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 she neck?
must we neck?
must you neck?
must they neck? 	must I be necking?
must you be necking?
must she be necking?
must we be necking?
must you be necking?
must they be necking? 	must I have necked?
must you have necked?
must she 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 she 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 she 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 she 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 she 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 she have been necking?
mustn't we have been necking?
mustn't you have been necking?
mustn't they have been necking?