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