English verb conjugation
WOULD TUMBLE

Regular verb: tumble - tumbled - tumbled

Affirmation

Simple form	V-ing form
I'd tumble you'd tumble he'd tumble we'd tumble you'd tumble they'd tumble	I'd be tumbling you'd be tumbling he'd be tumbling we'd be tumbling you'd be tumbling they'd be tumbling
Perfect	V-ing perfect
I would've tumbled you would've tumbled he would've tumbled we would've tumbled you would've tumbled they would've tumbled	I would've been tumbling you would've been tumbling he would've been tumbling we would've been tumbling you would've been tumbling they would've been tumbling

Negation

Simple form	V-ing form
I wouldn't tumble you wouldn't tumble he wouldn't tumble we wouldn't tumble you wouldn't tumble they wouldn't tumble	I wouldn't be tumbling you wouldn't be tumbling he wouldn't be tumbling we wouldn't be tumbling you wouldn't be tumbling they wouldn't be tumbling
Perfect	V-ing perfect
I wouldn't have tumbled you wouldn't have tumbled he wouldn't have tumbled we wouldn't have tumbled you wouldn't have tumbled they wouldn't have tumbled	I wouldn't have been tumbling you wouldn't have been tumbling he wouldn't have been tumbling we wouldn't have been tumbling you wouldn't have been tumbling they wouldn't have been tumbling

Interrogative form

Simple form	V-ing form
would I tumble? would you tumble? would he tumble? would we tumble? would you tumble? would they tumble?	would I be tumbling? would you be tumbling? would he be tumbling? would we be tumbling? would you be tumbling? would they be tumbling?
Perfect	V-ing perfect
would I have tumbled? would you have tumbled? would he have tumbled? would we have tumbled? would you have tumbled? would they have tumbled?	would I have been tumbling? would you have been tumbling? would he have been tumbling? would we have been tumbling? would you have been tumbling? would they have been tumbling?

Interro-negative form

Simple form	V-ing form
wouldn't I tumble? wouldn't you tumble? wouldn't he tumble? wouldn't we tumble? wouldn't you tumble? wouldn't they tumble?	wouldn't I be tumbling? wouldn't you be tumbling? wouldn't he be tumbling? wouldn't we be tumbling? wouldn't you be tumbling? wouldn't they be tumbling?
Perfect	V-ing perfect
wouldn't I have tumbled? wouldn't you have tumbled? wouldn't he have tumbled? wouldn't we have tumbled? wouldn't you have tumbled? wouldn't they have tumbled?	wouldn't I have been tumbling? wouldn't you have been tumbling? wouldn't he have been tumbling? wouldn't we have been tumbling? wouldn't you have been tumbling? wouldn't they have been tumbling?