English verb conjugation
MAY WINDOW

Regular verb: window - windowed - windowed

Affirmation

Simple form	V-ing form
I may window you may window he may window we may window you may window they may window	I may be windowing you may be windowing he may be windowing we may be windowing you may be windowing they may be windowing
Perfect	V-ing perfect
I may have windowed you may have windowed he may have windowed we may have windowed you may have windowed they may have windowed	I may have been windowing you may have been windowing he may have been windowing we may have been windowing you may have been windowing they may have been windowing

Negation

Simple form	V-ing form
I may not window you may not window he may not window we may not window you may not window they may not window	I may not be windowing you may not be windowing he may not be windowing we may not be windowing you may not be windowing they may not be windowing
Perfect	V-ing perfect
I may not have windowed you may not have windowed he may not have windowed we may not have windowed you may not have windowed they may not have windowed	I may not have been windowing you may not have been windowing he may not have been windowing we may not have been windowing you may not have been windowing they may not have been windowing

Interrogative form

Simple form	V-ing form
may I window? may you window? may he window? may we window? may you window? may they window?	may I be windowing? may you be windowing? may he be windowing? may we be windowing? may you be windowing? may they be windowing?
Perfect	V-ing perfect
may I have windowed? may you have windowed? may he have windowed? may we have windowed? may you have windowed? may they have windowed?	may I have been windowing? may you have been windowing? may he have been windowing? may we have been windowing? may you have been windowing? may they have been windowing?

Interro-negative form

Simple form	V-ing form
may I not window? may you not window? may he not window? may we not window? may you not window? may they not window?	may I not be windowing? may you not be windowing? may he not be windowing? may we not be windowing? may you not be windowing? may they not be windowing?
Perfect	V-ing perfect
may I not have windowed? may you not have windowed? may he not have windowed? may we not have windowed? may you not have windowed? may they not have windowed?	may I not have been windowing? may you not have been windowing? may he not have been windowing? may we not have been windowing? may you not have been windowing? may they not have been windowing?