must skylark
Verbe régulier : skylark - skylarked- skylarked
Traduction française : faire le fou - chahuter 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must skylark
you must skylark
he must skylark
we must skylark
you must skylark
they must skylark 	I must be skylarking
you must be skylarking
he must be skylarking
we must be skylarking
you must be skylarking
they must be skylarking	I must have skylarked
you must have skylarked
he must have skylarked
we must have skylarked
you must have skylarked
they must have skylarked	I must have been skylarking
you must have been skylarking
he must have been skylarking
we must have been skylarking
you must have been skylarking
they must have been skylarking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't skylark
you mustn't skylark
he mustn't skylark
we mustn't skylark
you mustn't skylark
they mustn't skylark 	I mustn't be skylarking
you mustn't be skylarking
he mustn't be skylarking
we mustn't be skylarking
you mustn't be skylarking
they mustn't be skylarking	I mustn't have skylarked
you mustn't have skylarked
he mustn't have skylarked
we mustn't have skylarked
you mustn't have skylarked
they mustn't have skylarked	I mustn't have been skylarking
you mustn't have been skylarking
he mustn't have been skylarking
we mustn't have been skylarking
you mustn't have been skylarking
they mustn't have been skylarking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I skylark?
must you skylark?
must he skylark?
must we skylark?
must you skylark?
must they skylark? 	must I be skylarking?
must you be skylarking?
must he be skylarking?
must we be skylarking?
must you be skylarking?
must they be skylarking? 	must I have skylarked?
must you have skylarked?
must he have skylarked?
must we have skylarked?
must you have skylarked?
must they have skylarked? 	must I have been skylarking?
must you have been skylarking?
must he have been skylarking?
must we have been skylarking?
must you have been skylarking?
must they have been skylarking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I skylark?
mustn't you skylark?
mustn't he skylark?
mustn't we skylark?
mustn't you skylark?
mustn't they skylark? 	mustn't I be skylarking?
mustn't you be skylarking?
mustn't he be skylarking?
mustn't we be skylarking?
mustn't you be skylarking?
mustn't they be skylarking? 	mustn't I have skylarked?
mustn't you have skylarked?
mustn't he have skylarked?
mustn't we have skylarked?
mustn't you have skylarked?
mustn't they have skylarked? 	mustn't I have been skylarking?
mustn't you have been skylarking?
mustn't he have been skylarking?
mustn't we have been skylarking?
mustn't you have been skylarking?
mustn't they have been skylarking?