must respond
Verbe régulier : respond - responded- responded
Traduction française : répondre - répondre 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must respond
you must respond
she must respond
we must respond
you must respond
they must respond 	I must be responding
you must be responding
she must be responding
we must be responding
you must be responding
they must be responding	I must have responded
you must have responded
she must have responded
we must have responded
you must have responded
they must have responded	I must have been responding
you must have been responding
she must have been responding
we must have been responding
you must have been responding
they must have been responding	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not respond
you must not respond
she must not respond
we must not respond
you must not respond
they must not respond 	I must not be responding
you must not be responding
she must not be responding
we must not be responding
you must not be responding
they must not be responding	I must not have responded
you must not have responded
she must not have responded
we must not have responded
you must not have responded
they must not have responded	I must not have been responding
you must not have been responding
she must not have been responding
we must not have been responding
you must not have been responding
they must not have been responding	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I respond?
must you respond?
must she respond?
must we respond?
must you respond?
must they respond? 	must I be responding?
must you be responding?
must she be responding?
must we be responding?
must you be responding?
must they be responding? 	must I have responded?
must you have responded?
must she have responded?
must we have responded?
must you have responded?
must they have responded? 	must I have been responding?
must you have been responding?
must she have been responding?
must we have been responding?
must you have been responding?
must they have been responding? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not respond?
must you not respond?
must she not respond?
must we not respond?
must you not respond?
must they not respond? 	must I not be responding?
must you not be responding?
must she not be responding?
must we not be responding?
must you not be responding?
must they not be responding? 	must I not have responded?
must you not have responded?
must she not have responded?
must we not have responded?
must you not have responded?
must they not have responded? 	must I not have been responding?
must you not have been responding?
must she not have been responding?
must we not have been responding?
must you not have been responding?
must they not have been responding?