must cloud
Verbe régulier : cloud - clouded- clouded
Traduction française : embuer - se couvrir (de nuages) 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must cloud
you must cloud
he must cloud
we must cloud
you must cloud
they must cloud 	I must be clouding
you must be clouding
he must be clouding
we must be clouding
you must be clouding
they must be clouding	I must have clouded
you must have clouded
he must have clouded
we must have clouded
you must have clouded
they must have clouded	I must have been clouding
you must have been clouding
he must have been clouding
we must have been clouding
you must have been clouding
they must have been clouding	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't cloud
you mustn't cloud
he mustn't cloud
we mustn't cloud
you mustn't cloud
they mustn't cloud 	I mustn't be clouding
you mustn't be clouding
he mustn't be clouding
we mustn't be clouding
you mustn't be clouding
they mustn't be clouding	I mustn't have clouded
you mustn't have clouded
he mustn't have clouded
we mustn't have clouded
you mustn't have clouded
they mustn't have clouded	I mustn't have been clouding
you mustn't have been clouding
he mustn't have been clouding
we mustn't have been clouding
you mustn't have been clouding
they mustn't have been clouding	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I cloud?
must you cloud?
must he cloud?
must we cloud?
must you cloud?
must they cloud? 	must I be clouding?
must you be clouding?
must he be clouding?
must we be clouding?
must you be clouding?
must they be clouding? 	must I have clouded?
must you have clouded?
must he have clouded?
must we have clouded?
must you have clouded?
must they have clouded? 	must I have been clouding?
must you have been clouding?
must he have been clouding?
must we have been clouding?
must you have been clouding?
must they have been clouding? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I cloud?
mustn't you cloud?
mustn't he cloud?
mustn't we cloud?
mustn't you cloud?
mustn't they cloud? 	mustn't I be clouding?
mustn't you be clouding?
mustn't he be clouding?
mustn't we be clouding?
mustn't you be clouding?
mustn't they be clouding? 	mustn't I have clouded?
mustn't you have clouded?
mustn't he have clouded?
mustn't we have clouded?
mustn't you have clouded?
mustn't they have clouded? 	mustn't I have been clouding?
mustn't you have been clouding?
mustn't he have been clouding?
mustn't we have been clouding?
mustn't you have been clouding?
mustn't they have been clouding?