Regular verb: strengthen - strengthened - strengthened
Simple form | V-ing form |
I'd strengthen you'd strengthen he'd strengthen we'd strengthen you'd strengthen they'd strengthen | I'd be strengthening you'd be strengthening he'd be strengthening we'd be strengthening you'd be strengthening they'd be strengthening |
Perfect | V-ing perfect |
I should've strengthened you should've strengthened he should've strengthened we should've strengthened you should've strengthened they should've strengthened | I should've been strengthening you should've been strengthening he should've been strengthening we should've been strengthening you should've been strengthening they should've been strengthening |
Simple form | V-ing form |
I shouldn't strengthen you shouldn't strengthen he shouldn't strengthen we shouldn't strengthen you shouldn't strengthen they shouldn't strengthen | I shouldn't be strengthening you shouldn't be strengthening he shouldn't be strengthening we shouldn't be strengthening you shouldn't be strengthening they shouldn't be strengthening |
Perfect | V-ing perfect |
I shouldn't have strengthened you shouldn't have strengthened he shouldn't have strengthened we shouldn't have strengthened you shouldn't have strengthened they shouldn't have strengthened | I shouldn't have been strengthening you shouldn't have been strengthening he shouldn't have been strengthening we shouldn't have been strengthening you shouldn't have been strengthening they shouldn't have been strengthening |
Simple form | V-ing form |
should I strengthen? should you strengthen? should he strengthen? should we strengthen? should you strengthen? should they strengthen? | should I be strengthening? should you be strengthening? should he be strengthening? should we be strengthening? should you be strengthening? should they be strengthening? |
Perfect | V-ing perfect |
should I have strengthened? should you have strengthened? should he have strengthened? should we have strengthened? should you have strengthened? should they have strengthened? | should I have been strengthening? should you have been strengthening? should he have been strengthening? should we have been strengthening? should you have been strengthening? should they have been strengthening? |
Simple form | V-ing form |
shouldn't I strengthen? shouldn't you strengthen? shouldn't he strengthen? shouldn't we strengthen? shouldn't you strengthen? shouldn't they strengthen? | shouldn't I be strengthening? shouldn't you be strengthening? shouldn't he be strengthening? shouldn't we be strengthening? shouldn't you be strengthening? shouldn't they be strengthening? |
Perfect | V-ing perfect |
shouldn't I have strengthened? shouldn't you have strengthened? shouldn't he have strengthened? shouldn't we have strengthened? shouldn't you have strengthened? shouldn't they have strengthened? | shouldn't I have been strengthening? shouldn't you have been strengthening? shouldn't he have been strengthening? shouldn't we have been strengthening? shouldn't you have been strengthening? shouldn't they have been strengthening? |