must countermove
Verbe régulier : countermove - countermoved- countermoved

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must countermove
you must countermove
he must countermove
we must countermove
you must countermove
they must countermove 	I must be countermoving
you must be countermoving
he must be countermoving
we must be countermoving
you must be countermoving
they must be countermoving	I must have countermoved
you must have countermoved
he must have countermoved
we must have countermoved
you must have countermoved
they must have countermoved	I must have been countermoving
you must have been countermoving
he must have been countermoving
we must have been countermoving
you must have been countermoving
they must have been countermoving	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't countermove
you mustn't countermove
he mustn't countermove
we mustn't countermove
you mustn't countermove
they mustn't countermove 	I mustn't be countermoving
you mustn't be countermoving
he mustn't be countermoving
we mustn't be countermoving
you mustn't be countermoving
they mustn't be countermoving	I mustn't have countermoved
you mustn't have countermoved
he mustn't have countermoved
we mustn't have countermoved
you mustn't have countermoved
they mustn't have countermoved	I mustn't have been countermoving
you mustn't have been countermoving
he mustn't have been countermoving
we mustn't have been countermoving
you mustn't have been countermoving
they mustn't have been countermoving	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I countermove?
must you countermove?
must he countermove?
must we countermove?
must you countermove?
must they countermove? 	must I be countermoving?
must you be countermoving?
must he be countermoving?
must we be countermoving?
must you be countermoving?
must they be countermoving? 	must I have countermoved?
must you have countermoved?
must he have countermoved?
must we have countermoved?
must you have countermoved?
must they have countermoved? 	must I have been countermoving?
must you have been countermoving?
must he have been countermoving?
must we have been countermoving?
must you have been countermoving?
must they have been countermoving? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I countermove?
mustn't you countermove?
mustn't he countermove?
mustn't we countermove?
mustn't you countermove?
mustn't they countermove? 	mustn't I be countermoving?
mustn't you be countermoving?
mustn't he be countermoving?
mustn't we be countermoving?
mustn't you be countermoving?
mustn't they be countermoving? 	mustn't I have countermoved?
mustn't you have countermoved?
mustn't he have countermoved?
mustn't we have countermoved?
mustn't you have countermoved?
mustn't they have countermoved? 	mustn't I have been countermoving?
mustn't you have been countermoving?
mustn't he have been countermoving?
mustn't we have been countermoving?
mustn't you have been countermoving?
mustn't they have been countermoving?