must answer
Verbe régulier : answer - answered- answered
Traduction française : répondre à - répondre 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must answer
you must answer
she must answer
we must answer
you must answer
they must answer 	I must be answering
you must be answering
she must be answering
we must be answering
you must be answering
they must be answering	I must have answered
you must have answered
she must have answered
we must have answered
you must have answered
they must have answered	I must have been answering
you must have been answering
she must have been answering
we must have been answering
you must have been answering
they must have been answering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not answer
you must not answer
she must not answer
we must not answer
you must not answer
they must not answer 	I must not be answering
you must not be answering
she must not be answering
we must not be answering
you must not be answering
they must not be answering	I must not have answered
you must not have answered
she must not have answered
we must not have answered
you must not have answered
they must not have answered	I must not have been answering
you must not have been answering
she must not have been answering
we must not have been answering
you must not have been answering
they must not have been answering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I answer?
must you answer?
must she answer?
must we answer?
must you answer?
must they answer? 	must I be answering?
must you be answering?
must she be answering?
must we be answering?
must you be answering?
must they be answering? 	must I have answered?
must you have answered?
must she have answered?
must we have answered?
must you have answered?
must they have answered? 	must I have been answering?
must you have been answering?
must she have been answering?
must we have been answering?
must you have been answering?
must they have been answering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not answer?
must you not answer?
must she not answer?
must we not answer?
must you not answer?
must they not answer? 	must I not be answering?
must you not be answering?
must she not be answering?
must we not be answering?
must you not be answering?
must they not be answering? 	must I not have answered?
must you not have answered?
must she not have answered?
must we not have answered?
must you not have answered?
must they not have answered? 	must I not have been answering?
must you not have been answering?
must she not have been answering?
must we not have been answering?
must you not have been answering?
must they not have been answering?