must chug
Verbe régulier : chug - chugged- chugged
Traduction française : s'essouffler - avancer en soufflant ou en haletant 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must chug
you must chug
she must chug
we must chug
you must chug
they must chug 	I must be chugging
you must be chugging
she must be chugging
we must be chugging
you must be chugging
they must be chugging	I must have chugged
you must have chugged
she must have chugged
we must have chugged
you must have chugged
they must have chugged	I must have been chugging
you must have been chugging
she must have been chugging
we must have been chugging
you must have been chugging
they must have been chugging	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't chug
you mustn't chug
she mustn't chug
we mustn't chug
you mustn't chug
they mustn't chug 	I mustn't be chugging
you mustn't be chugging
she mustn't be chugging
we mustn't be chugging
you mustn't be chugging
they mustn't be chugging	I mustn't have chugged
you mustn't have chugged
she mustn't have chugged
we mustn't have chugged
you mustn't have chugged
they mustn't have chugged	I mustn't have been chugging
you mustn't have been chugging
she mustn't have been chugging
we mustn't have been chugging
you mustn't have been chugging
they mustn't have been chugging	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I chug?
must you chug?
must she chug?
must we chug?
must you chug?
must they chug? 	must I be chugging?
must you be chugging?
must she be chugging?
must we be chugging?
must you be chugging?
must they be chugging? 	must I have chugged?
must you have chugged?
must she have chugged?
must we have chugged?
must you have chugged?
must they have chugged? 	must I have been chugging?
must you have been chugging?
must she have been chugging?
must we have been chugging?
must you have been chugging?
must they have been chugging? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I chug?
mustn't you chug?
mustn't she chug?
mustn't we chug?
mustn't you chug?
mustn't they chug? 	mustn't I be chugging?
mustn't you be chugging?
mustn't she be chugging?
mustn't we be chugging?
mustn't you be chugging?
mustn't they be chugging? 	mustn't I have chugged?
mustn't you have chugged?
mustn't she have chugged?
mustn't we have chugged?
mustn't you have chugged?
mustn't they have chugged? 	mustn't I have been chugging?
mustn't you have been chugging?
mustn't she have been chugging?
mustn't we have been chugging?
mustn't you have been chugging?
mustn't they have been chugging?