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