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 must not clamber
you must not clamber
he must not clamber
we must not clamber
you must not clamber
they must not clamber 	I must not be clambering
you must not be clambering
he must not be clambering
we must not be clambering
you must not be clambering
they must not be clambering	I must not have clambered
you must not have clambered
he must not have clambered
we must not have clambered
you must not have clambered
they must not have clambered	I must not have been clambering
you must not have been clambering
he must not have been clambering
we must not have been clambering
you must not have been clambering
they must not 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 	
must I not clamber?
must you not clamber?
must he not clamber?
must we not clamber?
must you not clamber?
must they not clamber? 	must I not be clambering?
must you not be clambering?
must he not be clambering?
must we not be clambering?
must you not be clambering?
must they not be clambering? 	must I not have clambered?
must you not have clambered?
must he not have clambered?
must we not have clambered?
must you not have clambered?
must they not have clambered? 	must I not have been clambering?
must you not have been clambering?
must he not have been clambering?
must we not have been clambering?
must you not have been clambering?
must they not have been clambering?