must cross
Verbe régulier : cross - crossed- crossed
Traduction française : traverser 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must cross
you must cross
he must cross
we must cross
you must cross
they must cross 	I must be crossing
you must be crossing
he must be crossing
we must be crossing
you must be crossing
they must be crossing	I must have crossed
you must have crossed
he must have crossed
we must have crossed
you must have crossed
they must have crossed	I must have been crossing
you must have been crossing
he must have been crossing
we must have been crossing
you must have been crossing
they must have been crossing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not cross
you must not cross
he must not cross
we must not cross
you must not cross
they must not cross 	I must not be crossing
you must not be crossing
he must not be crossing
we must not be crossing
you must not be crossing
they must not be crossing	I must not have crossed
you must not have crossed
he must not have crossed
we must not have crossed
you must not have crossed
they must not have crossed	I must not have been crossing
you must not have been crossing
he must not have been crossing
we must not have been crossing
you must not have been crossing
they must not have been crossing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I cross?
must you cross?
must he cross?
must we cross?
must you cross?
must they cross? 	must I be crossing?
must you be crossing?
must he be crossing?
must we be crossing?
must you be crossing?
must they be crossing? 	must I have crossed?
must you have crossed?
must he have crossed?
must we have crossed?
must you have crossed?
must they have crossed? 	must I have been crossing?
must you have been crossing?
must he have been crossing?
must we have been crossing?
must you have been crossing?
must they have been crossing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not cross?
must you not cross?
must he not cross?
must we not cross?
must you not cross?
must they not cross? 	must I not be crossing?
must you not be crossing?
must he not be crossing?
must we not be crossing?
must you not be crossing?
must they not be crossing? 	must I not have crossed?
must you not have crossed?
must he not have crossed?
must we not have crossed?
must you not have crossed?
must they not have crossed? 	must I not have been crossing?
must you not have been crossing?
must he not have been crossing?
must we not have been crossing?
must you not have been crossing?
must they not have been crossing?