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