English verb conjugation
MAY INVIGILATE

Regular verb: invigilate - invigilated - invigilated

Affirmation

Simple form	V-ing form
I may invigilate you may invigilate he may invigilate we may invigilate you may invigilate they may invigilate	I may be invigilating you may be invigilating he may be invigilating we may be invigilating you may be invigilating they may be invigilating
Perfect	V-ing perfect
I may have invigilated you may have invigilated he may have invigilated we may have invigilated you may have invigilated they may have invigilated	I may have been invigilating you may have been invigilating he may have been invigilating we may have been invigilating you may have been invigilating they may have been invigilating

Negation

Simple form	V-ing form
I may not invigilate you may not invigilate he may not invigilate we may not invigilate you may not invigilate they may not invigilate	I may not be invigilating you may not be invigilating he may not be invigilating we may not be invigilating you may not be invigilating they may not be invigilating
Perfect	V-ing perfect
I may not have invigilated you may not have invigilated he may not have invigilated we may not have invigilated you may not have invigilated they may not have invigilated	I may not have been invigilating you may not have been invigilating he may not have been invigilating we may not have been invigilating you may not have been invigilating they may not have been invigilating

Interrogative form

Simple form	V-ing form
may I invigilate? may you invigilate? may he invigilate? may we invigilate? may you invigilate? may they invigilate?	may I be invigilating? may you be invigilating? may he be invigilating? may we be invigilating? may you be invigilating? may they be invigilating?
Perfect	V-ing perfect
may I have invigilated? may you have invigilated? may he have invigilated? may we have invigilated? may you have invigilated? may they have invigilated?	may I have been invigilating? may you have been invigilating? may he have been invigilating? may we have been invigilating? may you have been invigilating? may they have been invigilating?

Interro-negative form

Simple form	V-ing form
may I not invigilate? may you not invigilate? may he not invigilate? may we not invigilate? may you not invigilate? may they not invigilate?	may I not be invigilating? may you not be invigilating? may he not be invigilating? may we not be invigilating? may you not be invigilating? may they not be invigilating?
Perfect	V-ing perfect
may I not have invigilated? may you not have invigilated? may he not have invigilated? may we not have invigilated? may you not have invigilated? may they not have invigilated?	may I not have been invigilating? may you not have been invigilating? may he not have been invigilating? may we not have been invigilating? may you not have been invigilating? may they not have been invigilating?