must cement
Verbe régulier : cement - cemented- cemented
Traduction française : cimenter - obturer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must cement
you must cement
he must cement
we must cement
you must cement
they must cement 	I must be cementing
you must be cementing
he must be cementing
we must be cementing
you must be cementing
they must be cementing	I must have cemented
you must have cemented
he must have cemented
we must have cemented
you must have cemented
they must have cemented	I must have been cementing
you must have been cementing
he must have been cementing
we must have been cementing
you must have been cementing
they must have been cementing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not cement
you must not cement
he must not cement
we must not cement
you must not cement
they must not cement 	I must not be cementing
you must not be cementing
he must not be cementing
we must not be cementing
you must not be cementing
they must not be cementing	I must not have cemented
you must not have cemented
he must not have cemented
we must not have cemented
you must not have cemented
they must not have cemented	I must not have been cementing
you must not have been cementing
he must not have been cementing
we must not have been cementing
you must not have been cementing
they must not have been cementing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I cement?
must you cement?
must he cement?
must we cement?
must you cement?
must they cement? 	must I be cementing?
must you be cementing?
must he be cementing?
must we be cementing?
must you be cementing?
must they be cementing? 	must I have cemented?
must you have cemented?
must he have cemented?
must we have cemented?
must you have cemented?
must they have cemented? 	must I have been cementing?
must you have been cementing?
must he have been cementing?
must we have been cementing?
must you have been cementing?
must they have been cementing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not cement?
must you not cement?
must he not cement?
must we not cement?
must you not cement?
must they not cement? 	must I not be cementing?
must you not be cementing?
must he not be cementing?
must we not be cementing?
must you not be cementing?
must they not be cementing? 	must I not have cemented?
must you not have cemented?
must he not have cemented?
must we not have cemented?
must you not have cemented?
must they not have cemented? 	must I not have been cementing?
must you not have been cementing?
must he not have been cementing?
must we not have been cementing?
must you not have been cementing?
must they not have been cementing?