must clamber
Verbe régulier : clamber - clambered- clambered
Traduction française : grimper (en s'aidant des mains) 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must clamber
you must clamber
he must clamber
we must clamber
you must clamber
they must clamber 	I must be clambering
you must be clambering
he must be clambering
we must be clambering
you must be clambering
they must be clambering	I must have clambered
you must have clambered
he must have clambered
we must have clambered
you must have clambered
they must have clambered	I must have been clambering
you must have been clambering
he must have been clambering
we must have been clambering
you must have been clambering
they must have been clambering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't clamber
you mustn't clamber
he mustn't clamber
we mustn't clamber
you mustn't clamber
they mustn't clamber 	I mustn't be clambering
you mustn't be clambering
he mustn't be clambering
we mustn't be clambering
you mustn't be clambering
they mustn't be clambering	I mustn't have clambered
you mustn't have clambered
he mustn't have clambered
we mustn't have clambered
you mustn't have clambered
they mustn't have clambered	I mustn't have been clambering
you mustn't have been clambering
he mustn't have been clambering
we mustn't have been clambering
you mustn't have been clambering
they mustn't have been clambering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I clamber?
must you clamber?
must he clamber?
must we clamber?
must you clamber?
must they clamber? 	must I be clambering?
must you be clambering?
must he be clambering?
must we be clambering?
must you be clambering?
must they be clambering? 	must I have clambered?
must you have clambered?
must he have clambered?
must we have clambered?
must you have clambered?
must they have clambered? 	must I have been clambering?
must you have been clambering?
must he have been clambering?
must we have been clambering?
must you have been clambering?
must they have been clambering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I clamber?
mustn't you clamber?
mustn't he clamber?
mustn't we clamber?
mustn't you clamber?
mustn't they clamber? 	mustn't I be clambering?
mustn't you be clambering?
mustn't he be clambering?
mustn't we be clambering?
mustn't you be clambering?
mustn't they be clambering? 	mustn't I have clambered?
mustn't you have clambered?
mustn't he have clambered?
mustn't we have clambered?
mustn't you have clambered?
mustn't they have clambered? 	mustn't I have been clambering?
mustn't you have been clambering?
mustn't he have been clambering?
mustn't we have been clambering?
mustn't you have been clambering?
mustn't they have been clambering?