I might ventilate you might ventilate he might ventilate we might ventilate you might ventilate they might ventilate
V-ing form
I might be ventilating you might be ventilating he might be ventilating we might be ventilating you might be ventilating they might be ventilating
Perfect
I might have ventilated you might have ventilated he might have ventilated we might have ventilated you might have ventilated they might have ventilated
V-ing perfect
I might have been ventilating you might have been ventilating he might have been ventilating we might have been ventilating you might have been ventilating they might have been ventilating
Negation
Simple form
I mightn't ventilate you mightn't ventilate he mightn't ventilate we mightn't ventilate you mightn't ventilate they mightn't ventilate
V-ing form
I mightn't be ventilating you mightn't be ventilating he mightn't be ventilating we mightn't be ventilating you mightn't be ventilating they mightn't be ventilating
Perfect
I mightn't have ventilated you mightn't have ventilated he mightn't have ventilated we mightn't have ventilated you mightn't have ventilated they mightn't have ventilated
V-ing perfect
I mightn't have been ventilating you mightn't have been ventilating he mightn't have been ventilating we mightn't have been ventilating you mightn't have been ventilating they mightn't have been ventilating
Interrogative form
Simple form
might I ventilate? might you ventilate? might he ventilate? might we ventilate? might you ventilate? might they ventilate?
V-ing form
might I be ventilating? might you be ventilating? might he be ventilating? might we be ventilating? might you be ventilating? might they be ventilating?
Perfect
might I have ventilated? might you have ventilated? might he have ventilated? might we have ventilated? might you have ventilated? might they have ventilated?
V-ing perfect
might I have been ventilating? might you have been ventilating? might he have been ventilating? might we have been ventilating? might you have been ventilating? might they have been ventilating?
Interro-negative form
Simple form
mightn't I ventilate? mightn't you ventilate? mightn't he ventilate? mightn't we ventilate? mightn't you ventilate? mightn't they ventilate?
V-ing form
mightn't I be ventilating? mightn't you be ventilating? mightn't he be ventilating? mightn't we be ventilating? mightn't you be ventilating? mightn't they be ventilating?
Perfect
mightn't I have ventilated? mightn't you have ventilated? mightn't he have ventilated? mightn't we have ventilated? mightn't you have ventilated? mightn't they have ventilated?
V-ing perfect
mightn't I have been ventilating? mightn't you have been ventilating? mightn't he have been ventilating? mightn't we have been ventilating? mightn't you have been ventilating? mightn't they have been ventilating?