I must generate you must generate he must generate we must generate you must generate they must generate
V-ing form
I must be generating you must be generating he must be generating we must be generating you must be generating they must be generating
Perfect
I must have generated you must have generated he must have generated we must have generated you must have generated they must have generated
V-ing perfect
I must have been generating you must have been generating he must have been generating we must have been generating you must have been generating they must have been generating
Negation
Simple form
I must not generate you must not generate he must not generate we must not generate you must not generate they must not generate
V-ing form
I must not be generating you must not be generating he must not be generating we must not be generating you must not be generating they must not be generating
Perfect
I must not have generated you must not have generated he must not have generated we must not have generated you must not have generated they must not have generated
V-ing perfect
I must not have been generating you must not have been generating he must not have been generating we must not have been generating you must not have been generating they must not have been generating
Interrogative form
Simple form
must I generate? must you generate? must he generate? must we generate? must you generate? must they generate?
V-ing form
must I be generating? must you be generating? must he be generating? must we be generating? must you be generating? must they be generating?
Perfect
must I have generated? must you have generated? must he have generated? must we have generated? must you have generated? must they have generated?
V-ing perfect
must I have been generating? must you have been generating? must he have been generating? must we have been generating? must you have been generating? must they have been generating?
Interro-negative form
Simple form
must I not generate? must you not generate? must he not generate? must we not generate? must you not generate? must they not generate?
V-ing form
must I not be generating? must you not be generating? must he not be generating? must we not be generating? must you not be generating? must they not be generating?
Perfect
must I not have generated? must you not have generated? must he not have generated? must we not have generated? must you not have generated? must they not have generated?
V-ing perfect
must I not have been generating? must you not have been generating? must he not have been generating? must we not have been generating? must you not have been generating? must they not have been generating?