must clog
Verbe régulier : clog - clogged- clogged
Traduction française : boucher - se boucher 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must clog
you must clog
he must clog
we must clog
you must clog
they must clog 	I must be clogging
you must be clogging
he must be clogging
we must be clogging
you must be clogging
they must be clogging	I must have clogged
you must have clogged
he must have clogged
we must have clogged
you must have clogged
they must have clogged	I must have been clogging
you must have been clogging
he must have been clogging
we must have been clogging
you must have been clogging
they must have been clogging	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't clog
you mustn't clog
he mustn't clog
we mustn't clog
you mustn't clog
they mustn't clog 	I mustn't be clogging
you mustn't be clogging
he mustn't be clogging
we mustn't be clogging
you mustn't be clogging
they mustn't be clogging	I mustn't have clogged
you mustn't have clogged
he mustn't have clogged
we mustn't have clogged
you mustn't have clogged
they mustn't have clogged	I mustn't have been clogging
you mustn't have been clogging
he mustn't have been clogging
we mustn't have been clogging
you mustn't have been clogging
they mustn't have been clogging	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I clog?
must you clog?
must he clog?
must we clog?
must you clog?
must they clog? 	must I be clogging?
must you be clogging?
must he be clogging?
must we be clogging?
must you be clogging?
must they be clogging? 	must I have clogged?
must you have clogged?
must he have clogged?
must we have clogged?
must you have clogged?
must they have clogged? 	must I have been clogging?
must you have been clogging?
must he have been clogging?
must we have been clogging?
must you have been clogging?
must they have been clogging? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I clog?
mustn't you clog?
mustn't he clog?
mustn't we clog?
mustn't you clog?
mustn't they clog? 	mustn't I be clogging?
mustn't you be clogging?
mustn't he be clogging?
mustn't we be clogging?
mustn't you be clogging?
mustn't they be clogging? 	mustn't I have clogged?
mustn't you have clogged?
mustn't he have clogged?
mustn't we have clogged?
mustn't you have clogged?
mustn't they have clogged? 	mustn't I have been clogging?
mustn't you have been clogging?
mustn't he have been clogging?
mustn't we have been clogging?
mustn't you have been clogging?
mustn't they have been clogging?