I must assimilate you must assimilate he must assimilate we must assimilate you must assimilate they must assimilate
V-ing form
I must be assimilating you must be assimilating he must be assimilating we must be assimilating you must be assimilating they must be assimilating
Perfect
I must have assimilated you must have assimilated he must have assimilated we must have assimilated you must have assimilated they must have assimilated
V-ing perfect
I must have been assimilating you must have been assimilating he must have been assimilating we must have been assimilating you must have been assimilating they must have been assimilating
Negation
Simple form
I must not assimilate you must not assimilate he must not assimilate we must not assimilate you must not assimilate they must not assimilate
V-ing form
I must not be assimilating you must not be assimilating he must not be assimilating we must not be assimilating you must not be assimilating they must not be assimilating
Perfect
I must not have assimilated you must not have assimilated he must not have assimilated we must not have assimilated you must not have assimilated they must not have assimilated
V-ing perfect
I must not have been assimilating you must not have been assimilating he must not have been assimilating we must not have been assimilating you must not have been assimilating they must not have been assimilating
Interrogative form
Simple form
must I assimilate? must you assimilate? must he assimilate? must we assimilate? must you assimilate? must they assimilate?
V-ing form
must I be assimilating? must you be assimilating? must he be assimilating? must we be assimilating? must you be assimilating? must they be assimilating?
Perfect
must I have assimilated? must you have assimilated? must he have assimilated? must we have assimilated? must you have assimilated? must they have assimilated?
V-ing perfect
must I have been assimilating? must you have been assimilating? must he have been assimilating? must we have been assimilating? must you have been assimilating? must they have been assimilating?
Interro-negative form
Simple form
must I not assimilate? must you not assimilate? must he not assimilate? must we not assimilate? must you not assimilate? must they not assimilate?
V-ing form
must I not be assimilating? must you not be assimilating? must he not be assimilating? must we not be assimilating? must you not be assimilating? must they not be assimilating?
Perfect
must I not have assimilated? must you not have assimilated? must he not have assimilated? must we not have assimilated? must you not have assimilated? must they not have assimilated?
V-ing perfect
must I not have been assimilating? must you not have been assimilating? must he not have been assimilating? must we not have been assimilating? must you not have been assimilating? must they not have been assimilating?