I must recollect you must recollect he must recollect we must recollect you must recollect they must recollect
V-ing form
I must be recollecting you must be recollecting he must be recollecting we must be recollecting you must be recollecting they must be recollecting
Perfect
I must have recollected you must have recollected he must have recollected we must have recollected you must have recollected they must have recollected
V-ing perfect
I must have been recollecting you must have been recollecting he must have been recollecting we must have been recollecting you must have been recollecting they must have been recollecting
Negation
Simple form
I must not recollect you must not recollect he must not recollect we must not recollect you must not recollect they must not recollect
V-ing form
I must not be recollecting you must not be recollecting he must not be recollecting we must not be recollecting you must not be recollecting they must not be recollecting
Perfect
I must not have recollected you must not have recollected he must not have recollected we must not have recollected you must not have recollected they must not have recollected
V-ing perfect
I must not have been recollecting you must not have been recollecting he must not have been recollecting we must not have been recollecting you must not have been recollecting they must not have been recollecting
Interrogative form
Simple form
must I recollect? must you recollect? must he recollect? must we recollect? must you recollect? must they recollect?
V-ing form
must I be recollecting? must you be recollecting? must he be recollecting? must we be recollecting? must you be recollecting? must they be recollecting?
Perfect
must I have recollected? must you have recollected? must he have recollected? must we have recollected? must you have recollected? must they have recollected?
V-ing perfect
must I have been recollecting? must you have been recollecting? must he have been recollecting? must we have been recollecting? must you have been recollecting? must they have been recollecting?
Interro-negative form
Simple form
must I not recollect? must you not recollect? must he not recollect? must we not recollect? must you not recollect? must they not recollect?
V-ing form
must I not be recollecting? must you not be recollecting? must he not be recollecting? must we not be recollecting? must you not be recollecting? must they not be recollecting?
Perfect
must I not have recollected? must you not have recollected? must he not have recollected? must we not have recollected? must you not have recollected? must they not have recollected?
V-ing perfect
must I not have been recollecting? must you not have been recollecting? must he not have been recollecting? must we not have been recollecting? must you not have been recollecting? must they not have been recollecting?