must spur
Verbe régulier : spur - spurred- spurred
Traduction française : éperonner - inciter 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must spur
you must spur
she must spur
we must spur
you must spur
they must spur 	I must be spurring
you must be spurring
she must be spurring
we must be spurring
you must be spurring
they must be spurring	I must have spurred
you must have spurred
she must have spurred
we must have spurred
you must have spurred
they must have spurred	I must have been spurring
you must have been spurring
she must have been spurring
we must have been spurring
you must have been spurring
they must have been spurring	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not spur
you must not spur
she must not spur
we must not spur
you must not spur
they must not spur 	I must not be spurring
you must not be spurring
she must not be spurring
we must not be spurring
you must not be spurring
they must not be spurring	I must not have spurred
you must not have spurred
she must not have spurred
we must not have spurred
you must not have spurred
they must not have spurred	I must not have been spurring
you must not have been spurring
she must not have been spurring
we must not have been spurring
you must not have been spurring
they must not have been spurring	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I spur?
must you spur?
must she spur?
must we spur?
must you spur?
must they spur? 	must I be spurring?
must you be spurring?
must she be spurring?
must we be spurring?
must you be spurring?
must they be spurring? 	must I have spurred?
must you have spurred?
must she have spurred?
must we have spurred?
must you have spurred?
must they have spurred? 	must I have been spurring?
must you have been spurring?
must she have been spurring?
must we have been spurring?
must you have been spurring?
must they have been spurring? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not spur?
must you not spur?
must she not spur?
must we not spur?
must you not spur?
must they not spur? 	must I not be spurring?
must you not be spurring?
must she not be spurring?
must we not be spurring?
must you not be spurring?
must they not be spurring? 	must I not have spurred?
must you not have spurred?
must she not have spurred?
must we not have spurred?
must you not have spurred?
must they not have spurred? 	must I not have been spurring?
must you not have been spurring?
must she not have been spurring?
must we not have been spurring?
must you not have been spurring?
must they not have been spurring?