I must cement you must cement she must cement we must cement you must cement they must cement
Forme en V-ing
I must be cementing you must be cementing she must be cementing we must be cementing you must be cementing they must be cementing
Perfect
I must have cemented you must have cemented she must have cemented we must have cemented you must have cemented they must have cemented
Perfect en V-ing
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
I must not cement you must not cement she must not cement we must not cement you must not cement they must not cement
Forme en V-ing
I must not be cementing you must not be cementing she must not be cementing we must not be cementing you must not be cementing they must not be cementing
Perfect
I must not have cemented you must not have cemented she must not have cemented we must not have cemented you must not have cemented they must not have cemented
Perfect en V-ing
I must not have been cementing you must not have been cementing she 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
must I cement? must you cement? must she cement? must we cement? must you cement? must they cement?
Forme en V-ing
must I be cementing? must you be cementing? must she be cementing? must we be cementing? must you be cementing? must they be cementing?
Perfect
must I have cemented? must you have cemented? must she have cemented? must we have cemented? must you have cemented? must they have cemented?
Perfect en V-ing
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
must I not cement? must you not cement? must she not cement? must we not cement? must you not cement? must they not cement?
Forme en V-ing
must I not be cementing? must you not be cementing? must she not be cementing? must we not be cementing? must you not be cementing? must they not be cementing?
Perfect
must I not have cemented? must you not have cemented? must she not have cemented? must we not have cemented? must you not have cemented? must they not have cemented?
Perfect en V-ing
must I not have been cementing? must you not have been cementing? must she not have been cementing? must we not have been cementing? must you not have been cementing? must they not have been cementing?