English verb conjugation
MAY VENTILATE

Regular verb: ventilate - ventilated - ventilated

Affirmation

Simple form	V-ing form
I may ventilate you may ventilate he may ventilate we may ventilate you may ventilate they may ventilate	I may be ventilating you may be ventilating he may be ventilating we may be ventilating you may be ventilating they may be ventilating
Perfect	V-ing perfect
I may have ventilated you may have ventilated he may have ventilated we may have ventilated you may have ventilated they may have ventilated	I may have been ventilating you may have been ventilating he may have been ventilating we may have been ventilating you may have been ventilating they may have been ventilating

Negation

Simple form	V-ing form
I may not ventilate you may not ventilate he may not ventilate we may not ventilate you may not ventilate they may not ventilate	I may not be ventilating you may not be ventilating he may not be ventilating we may not be ventilating you may not be ventilating they may not be ventilating
Perfect	V-ing perfect
I may not have ventilated you may not have ventilated he may not have ventilated we may not have ventilated you may not have ventilated they may not have ventilated	I may not have been ventilating you may not have been ventilating he may not have been ventilating we may not have been ventilating you may not have been ventilating they may not have been ventilating

Interrogative form

Simple form	V-ing form
may I ventilate? may you ventilate? may he ventilate? may we ventilate? may you ventilate? may they ventilate?	may I be ventilating? may you be ventilating? may he be ventilating? may we be ventilating? may you be ventilating? may they be ventilating?
Perfect	V-ing perfect
may I have ventilated? may you have ventilated? may he have ventilated? may we have ventilated? may you have ventilated? may they have ventilated?	may I have been ventilating? may you have been ventilating? may he have been ventilating? may we have been ventilating? may you have been ventilating? may they have been ventilating?

Interro-negative form

Simple form	V-ing form
may I not ventilate? may you not ventilate? may he not ventilate? may we not ventilate? may you not ventilate? may they not ventilate?	may I not be ventilating? may you not be ventilating? may he not be ventilating? may we not be ventilating? may you not be ventilating? may they not be ventilating?
Perfect	V-ing perfect
may I not have ventilated? may you not have ventilated? may he not have ventilated? may we not have ventilated? may you not have ventilated? may they not have ventilated?	may I not have been ventilating? may you not have been ventilating? may he not have been ventilating? may we not have been ventilating? may you not have been ventilating? may they not have been ventilating?