I may perch you may perch he may perch we may perch you may perch they may perch
V-ing form
I may be perching you may be perching he may be perching we may be perching you may be perching they may be perching
Perfect
I may have perched you may have perched he may have perched we may have perched you may have perched they may have perched
V-ing perfect
I may have been perching you may have been perching he may have been perching we may have been perching you may have been perching they may have been perching
Negation
Simple form
I may not perch you may not perch he may not perch we may not perch you may not perch they may not perch
V-ing form
I may not be perching you may not be perching he may not be perching we may not be perching you may not be perching they may not be perching
Perfect
I may not have perched you may not have perched he may not have perched we may not have perched you may not have perched they may not have perched
V-ing perfect
I may not have been perching you may not have been perching he may not have been perching we may not have been perching you may not have been perching they may not have been perching
Interrogative form
Simple form
may I perch? may you perch? may he perch? may we perch? may you perch? may they perch?
V-ing form
may I be perching? may you be perching? may he be perching? may we be perching? may you be perching? may they be perching?
Perfect
may I have perched? may you have perched? may he have perched? may we have perched? may you have perched? may they have perched?
V-ing perfect
may I have been perching? may you have been perching? may he have been perching? may we have been perching? may you have been perching? may they have been perching?
Interro-negative form
Simple form
may I not perch? may you not perch? may he not perch? may we not perch? may you not perch? may they not perch?
V-ing form
may I not be perching? may you not be perching? may he not be perching? may we not be perching? may you not be perching? may they not be perching?
Perfect
may I not have perched? may you not have perched? may he not have perched? may we not have perched? may you not have perched? may they not have perched?
V-ing perfect
may I not have been perching? may you not have been perching? may he not have been perching? may we not have been perching? may you not have been perching? may they not have been perching?