I'd be antedating you'd be antedating he'd be antedating we'd be antedating you'd be antedating they'd be antedating
Perfect
I would've antedated you would've antedated he would've antedated we would've antedated you would've antedated they would've antedated
V-ing perfect
I would've been antedating you would've been antedating he would've been antedating we would've been antedating you would've been antedating they would've been antedating
Negation
Simple form
I wouldn't antedate you wouldn't antedate he wouldn't antedate we wouldn't antedate you wouldn't antedate they wouldn't antedate
V-ing form
I wouldn't be antedating you wouldn't be antedating he wouldn't be antedating we wouldn't be antedating you wouldn't be antedating they wouldn't be antedating
Perfect
I wouldn't have antedated you wouldn't have antedated he wouldn't have antedated we wouldn't have antedated you wouldn't have antedated they wouldn't have antedated
V-ing perfect
I wouldn't have been antedating you wouldn't have been antedating he wouldn't have been antedating we wouldn't have been antedating you wouldn't have been antedating they wouldn't have been antedating
Interrogative form
Simple form
would I antedate? would you antedate? would he antedate? would we antedate? would you antedate? would they antedate?
V-ing form
would I be antedating? would you be antedating? would he be antedating? would we be antedating? would you be antedating? would they be antedating?
Perfect
would I have antedated? would you have antedated? would he have antedated? would we have antedated? would you have antedated? would they have antedated?
V-ing perfect
would I have been antedating? would you have been antedating? would he have been antedating? would we have been antedating? would you have been antedating? would they have been antedating?
Interro-negative form
Simple form
wouldn't I antedate? wouldn't you antedate? wouldn't he antedate? wouldn't we antedate? wouldn't you antedate? wouldn't they antedate?
V-ing form
wouldn't I be antedating? wouldn't you be antedating? wouldn't he be antedating? wouldn't we be antedating? wouldn't you be antedating? wouldn't they be antedating?
Perfect
wouldn't I have antedated? wouldn't you have antedated? wouldn't he have antedated? wouldn't we have antedated? wouldn't you have antedated? wouldn't they have antedated?
V-ing perfect
wouldn't I have been antedating? wouldn't you have been antedating? wouldn't he have been antedating? wouldn't we have been antedating? wouldn't you have been antedating? wouldn't they have been antedating?