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
she must cement
we must cement
you must cement
they must cement 	I must be cementing
you must be cementing
she must be cementing
we must be cementing
you must be cementing
they must be cementing	I must have cemented
you must have cemented
she 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
she 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 mustn't cement
you mustn't cement
she mustn't cement
we mustn't cement
you mustn't cement
they mustn't cement 	I mustn't be cementing
you mustn't be cementing
she mustn't be cementing
we mustn't be cementing
you mustn't be cementing
they mustn't be cementing	I mustn't have cemented
you mustn't have cemented
she mustn't have cemented
we mustn't have cemented
you mustn't have cemented
they mustn't have cemented	I mustn't have been cementing
you mustn't have been cementing
she mustn't have been cementing
we mustn't have been cementing
you mustn't have been cementing
they mustn't have been cementing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I cement?
must you cement?
must she cement?
must we cement?
must you cement?
must they cement? 	must I be cementing?
must you be cementing?
must she be cementing?
must we be cementing?
must you be cementing?
must they be cementing? 	must I have cemented?
must you have cemented?
must she 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 she 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 	
mustn't I cement?
mustn't you cement?
mustn't she cement?
mustn't we cement?
mustn't you cement?
mustn't they cement? 	mustn't I be cementing?
mustn't you be cementing?
mustn't she be cementing?
mustn't we be cementing?
mustn't you be cementing?
mustn't they be cementing? 	mustn't I have cemented?
mustn't you have cemented?
mustn't she have cemented?
mustn't we have cemented?
mustn't you have cemented?
mustn't they have cemented? 	mustn't I have been cementing?
mustn't you have been cementing?
mustn't she have been cementing?
mustn't we have been cementing?
mustn't you have been cementing?
mustn't they have been cementing?