I may pickaback you may pickaback he may pickaback we may pickaback you may pickaback they may pickaback
V-ing form
I may be pickabacking you may be pickabacking he may be pickabacking we may be pickabacking you may be pickabacking they may be pickabacking
Perfect
I may have pickabacked you may have pickabacked he may have pickabacked we may have pickabacked you may have pickabacked they may have pickabacked
V-ing perfect
I may have been pickabacking you may have been pickabacking he may have been pickabacking we may have been pickabacking you may have been pickabacking they may have been pickabacking
Negation
Simple form
I mayn't pickaback you mayn't pickaback he mayn't pickaback we mayn't pickaback you mayn't pickaback they mayn't pickaback
V-ing form
I mayn't be pickabacking you mayn't be pickabacking he mayn't be pickabacking we mayn't be pickabacking you mayn't be pickabacking they mayn't be pickabacking
Perfect
I mayn't have pickabacked you mayn't have pickabacked he mayn't have pickabacked we mayn't have pickabacked you mayn't have pickabacked they mayn't have pickabacked
V-ing perfect
I mayn't have been pickabacking you mayn't have been pickabacking he mayn't have been pickabacking we mayn't have been pickabacking you mayn't have been pickabacking they mayn't have been pickabacking
Interrogative form
Simple form
may I pickaback? may you pickaback? may he pickaback? may we pickaback? may you pickaback? may they pickaback?
V-ing form
may I be pickabacking? may you be pickabacking? may he be pickabacking? may we be pickabacking? may you be pickabacking? may they be pickabacking?
Perfect
may I have pickabacked? may you have pickabacked? may he have pickabacked? may we have pickabacked? may you have pickabacked? may they have pickabacked?
V-ing perfect
may I have been pickabacking? may you have been pickabacking? may he have been pickabacking? may we have been pickabacking? may you have been pickabacking? may they have been pickabacking?
Interro-negative form
Simple form
mayn't I pickaback? mayn't you pickaback? mayn't he pickaback? mayn't we pickaback? mayn't you pickaback? mayn't they pickaback?
V-ing form
mayn't I be pickabacking? mayn't you be pickabacking? mayn't he be pickabacking? mayn't we be pickabacking? mayn't you be pickabacking? mayn't they be pickabacking?
Perfect
mayn't I have pickabacked? mayn't you have pickabacked? mayn't he have pickabacked? mayn't we have pickabacked? mayn't you have pickabacked? mayn't they have pickabacked?
V-ing perfect
mayn't I have been pickabacking? mayn't you have been pickabacking? mayn't he have been pickabacking? mayn't we have been pickabacking? mayn't you have been pickabacking? mayn't they have been pickabacking?