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