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