I may flush you may flush he may flush we may flush you may flush they may flush
V-ing form
I may be flushing you may be flushing he may be flushing we may be flushing you may be flushing they may be flushing
Perfect
I may have flushed you may have flushed he may have flushed we may have flushed you may have flushed they may have flushed
V-ing perfect
I may have been flushing you may have been flushing he may have been flushing we may have been flushing you may have been flushing they may have been flushing
Negation
Simple form
I may not flush you may not flush he may not flush we may not flush you may not flush they may not flush
V-ing form
I may not be flushing you may not be flushing he may not be flushing we may not be flushing you may not be flushing they may not be flushing
Perfect
I may not have flushed you may not have flushed he may not have flushed we may not have flushed you may not have flushed they may not have flushed
V-ing perfect
I may not have been flushing you may not have been flushing he may not have been flushing we may not have been flushing you may not have been flushing they may not have been flushing
Interrogative form
Simple form
may I flush? may you flush? may he flush? may we flush? may you flush? may they flush?
V-ing form
may I be flushing? may you be flushing? may he be flushing? may we be flushing? may you be flushing? may they be flushing?
Perfect
may I have flushed? may you have flushed? may he have flushed? may we have flushed? may you have flushed? may they have flushed?
V-ing perfect
may I have been flushing? may you have been flushing? may he have been flushing? may we have been flushing? may you have been flushing? may they have been flushing?
Interro-negative form
Simple form
may I not flush? may you not flush? may he not flush? may we not flush? may you not flush? may they not flush?
V-ing form
may I not be flushing? may you not be flushing? may he not be flushing? may we not be flushing? may you not be flushing? may they not be flushing?
Perfect
may I not have flushed? may you not have flushed? may he not have flushed? may we not have flushed? may you not have flushed? may they not have flushed?
V-ing perfect
may I not have been flushing? may you not have been flushing? may he not have been flushing? may we not have been flushing? may you not have been flushing? may they not have been flushing?