I'd be ventilating you'd be ventilating she'd be ventilating we'd be ventilating you'd be ventilating they'd be ventilating
Perfect
I would've ventilated you would've ventilated she would've ventilated we would've ventilated you would've ventilated they would've ventilated
V-ing perfect
I would've been ventilating you would've been ventilating she would've been ventilating we would've been ventilating you would've been ventilating they would've been ventilating
Negation
Simple form
I wouldn't ventilate you wouldn't ventilate she wouldn't ventilate we wouldn't ventilate you wouldn't ventilate they wouldn't ventilate
V-ing form
I wouldn't be ventilating you wouldn't be ventilating she wouldn't be ventilating we wouldn't be ventilating you wouldn't be ventilating they wouldn't be ventilating
Perfect
I wouldn't have ventilated you wouldn't have ventilated she wouldn't have ventilated we wouldn't have ventilated you wouldn't have ventilated they wouldn't have ventilated
V-ing perfect
I wouldn't have been ventilating you wouldn't have been ventilating she wouldn't have been ventilating we wouldn't have been ventilating you wouldn't have been ventilating they wouldn't have been ventilating
Interrogative form
Simple form
would I ventilate? would you ventilate? would she ventilate? would we ventilate? would you ventilate? would they ventilate?
V-ing form
would I be ventilating? would you be ventilating? would she be ventilating? would we be ventilating? would you be ventilating? would they be ventilating?
Perfect
would I have ventilated? would you have ventilated? would she have ventilated? would we have ventilated? would you have ventilated? would they have ventilated?
V-ing perfect
would I have been ventilating? would you have been ventilating? would she have been ventilating? would we have been ventilating? would you have been ventilating? would they have been ventilating?
Interro-negative form
Simple form
wouldn't I ventilate? wouldn't you ventilate? wouldn't she ventilate? wouldn't we ventilate? wouldn't you ventilate? wouldn't they ventilate?
V-ing form
wouldn't I be ventilating? wouldn't you be ventilating? wouldn't she be ventilating? wouldn't we be ventilating? wouldn't you be ventilating? wouldn't they be ventilating?
Perfect
wouldn't I have ventilated? wouldn't you have ventilated? wouldn't she have ventilated? wouldn't we have ventilated? wouldn't you have ventilated? wouldn't they have ventilated?
V-ing perfect
wouldn't I have been ventilating? wouldn't you have been ventilating? wouldn't she have been ventilating? wouldn't we have been ventilating? wouldn't you have been ventilating? wouldn't they have been ventilating?