Present
| I | cooperate |
| You | cooperate |
| She | cooperates |
| We | cooperate |
| They | cooperate |
Past
| I | cooperated |
| You | cooperated |
| She | cooperated |
| We | cooperated |
| They | cooperated |
Perfect
| I | have | cooperated |
| You | have | cooperated |
| She | has | cooperated |
| We | have | cooperated |
| They | have | cooperated |
Future
| I | will | cooperate |
| You | will | cooperate |
| She | will | cooperate |
| We | will | cooperate |
| They | will | cooperate |
Past Perfect
| I | had | cooperated |
| You | had | cooperated |
| She | had | cooperated |
| We | had | cooperated |
| They | had | cooperated |
Future Perfect
| I | will | have | cooperated |
| You | will | have | cooperated |
| She | will | have | cooperated |
| We | will | have | cooperated |
| They | will | have | cooperated |
Present - Conditional
| I | would | cooperate |
| You | would | cooperate |
| She | would | cooperate |
| We | would | cooperate |
| They | would | cooperate |
Perfect - Conditional
| I | would | have | cooperated |
| You | would | have | cooperated |
| She | would | have | cooperated |
| We | would | have | cooperated |
| They | would | have | cooperated |