Regular verb: strengthen - strengthened - strengthened
Present | Present continuous | Preterite | Preterite continuous |
I don't strengthen you don't strengthen she doesn't strengthen we don't strengthen you don't strengthen they don't strengthen | I'm not strengthening you aren't strengthening she isn't strengthening we aren't strengthening you aren't strengthening they aren't strengthening | I didn't strengthen you didn't strengthen she didn't strengthen we didn't strengthen you didn't strengthen they didn't strengthen | I wasn't strengthening you weren't strengthening she wasn't strengthening we weren't strengthening you weren't strengthening they weren't strengthening |
Present perfect | Present perfect continuous | Pluperfect | Pluperfect continuous |
I haven't strengthened you haven't strengthened she hasn't strengthened we haven't strengthened you haven't strengthened they haven't strengthened | I haven't been strengthening you haven't been strengthening she hasn't been strengthening we haven't been strengthening you haven't been strengthening they haven't been strengthening | I hadn't strengthened you hadn't strengthened she hadn't strengthened we hadn't strengthened you hadn't strengthened they hadn't strengthened | I hadn't been strengthening you hadn't been strengthening she hadn't been strengthening we hadn't been strengthening you hadn't been strengthening they hadn't been strengthening |
Future | Future continuous | Future perfect | Future perfect continuous |
I won't strengthen you won't strengthen she won't strengthen we won't strengthen you won't strengthen they won't strengthen | I won't be strengthening you won't be strengthening she won't be strengthening we won't be strengthening you won't be strengthening they won't be strengthening | I won't have strengthened you won't have strengthened she won't have strengthened we won't have strengthened you won't have strengthened they won't have strengthened | I won't have been strengthening you won't have been strengthening she won't have been strengthening we won't have been strengthening you won't have been strengthening they won't have been strengthening |
Present | Present continuous | Past | Past continuous |
I wouldn't strengthen you wouldn't strengthen she wouldn't strengthen we wouldn't strengthen you wouldn't strengthen they wouldn't strengthen | 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 | 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 | 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 |
Infinitive | Imperative |
Infinitive | Imperative | ||
to strengthen | do not strengthen Let's not strengthen do not strengthen |
Present | Past | ||
strengthening | strengthened |