must endeavour
Verbe régulier : endeavour - endeavoured- endeavoured
Traduction française : (UK) s'évertuer à 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must endeavour
you must endeavour
she must endeavour
we must endeavour
you must endeavour
they must endeavour 	I must be endeavouring
you must be endeavouring
she must be endeavouring
we must be endeavouring
you must be endeavouring
they must be endeavouring	I must have endeavoured
you must have endeavoured
she must have endeavoured
we must have endeavoured
you must have endeavoured
they must have endeavoured	I must have been endeavouring
you must have been endeavouring
she must have been endeavouring
we must have been endeavouring
you must have been endeavouring
they must have been endeavouring	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not endeavour
you must not endeavour
she must not endeavour
we must not endeavour
you must not endeavour
they must not endeavour 	I must not be endeavouring
you must not be endeavouring
she must not be endeavouring
we must not be endeavouring
you must not be endeavouring
they must not be endeavouring	I must not have endeavoured
you must not have endeavoured
she must not have endeavoured
we must not have endeavoured
you must not have endeavoured
they must not have endeavoured	I must not have been endeavouring
you must not have been endeavouring
she must not have been endeavouring
we must not have been endeavouring
you must not have been endeavouring
they must not have been endeavouring	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I endeavour?
must you endeavour?
must she endeavour?
must we endeavour?
must you endeavour?
must they endeavour? 	must I be endeavouring?
must you be endeavouring?
must she be endeavouring?
must we be endeavouring?
must you be endeavouring?
must they be endeavouring? 	must I have endeavoured?
must you have endeavoured?
must she have endeavoured?
must we have endeavoured?
must you have endeavoured?
must they have endeavoured? 	must I have been endeavouring?
must you have been endeavouring?
must she have been endeavouring?
must we have been endeavouring?
must you have been endeavouring?
must they have been endeavouring? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not endeavour?
must you not endeavour?
must she not endeavour?
must we not endeavour?
must you not endeavour?
must they not endeavour? 	must I not be endeavouring?
must you not be endeavouring?
must she not be endeavouring?
must we not be endeavouring?
must you not be endeavouring?
must they not be endeavouring? 	must I not have endeavoured?
must you not have endeavoured?
must she not have endeavoured?
must we not have endeavoured?
must you not have endeavoured?
must they not have endeavoured? 	must I not have been endeavouring?
must you not have been endeavouring?
must she not have been endeavouring?
must we not have been endeavouring?
must you not have been endeavouring?
must they not have been endeavouring?