| I | liven up |
| you | liven up |
| he/she/it | livens up |
| we | liven up |
| you | liven up |
| they | liven up |
| I | have livened up |
| you | have livened up |
| he/she/it | has livened up |
| we | have livened up |
| you | have livened up |
| they | have livened up |
| I | livened up |
| you | livened up |
| he/she/it | livened up |
| we | livened up |
| you | livened up |
| they | livened up |
| I | had livened up |
| you | had livened up |
| he/she/it | had livened up |
| we | had livened up |
| you | had livened up |
| they | had livened up |
| I | will liven up |
| you | will liven up |
| he/she/it | will liven up |
| we | will liven up |
| you | will liven up |
| they | will liven up |
| I | will have livened up |
| you | will have livened up |
| he/she/it | will have livened up |
| we | will have livened up |
| you | will have livened up |
| they | will have livened up |
| I | am livening up |
| you | are livening up |
| he/she/it | is livening up |
| we | are livening up |
| you | are livening up |
| they | are livening up |
| I | have been livening up |
| you | have been livening up |
| he/she/it | has been livening up |
| we | have been livening up |
| you | have been livening up |
| they | have been livening up |
| I | was livening up |
| you | were livening up |
| he/she/it | was livening up |
| we | were livening up |
| you | were livening up |
| they | were livening up |
| I | had been livening up |
| you | had been livening up |
| he/she/it | had been livening up |
| we | had been livening up |
| you | had been livening up |
| they | had been livening up |
| I | will be livening up |
| you | will be livening up |
| he/she/it | will be livening up |
| we | will be livening up |
| you | will be livening up |
| they | will be livening up |
| I | will have been livening up |
| you | will have been livening up |
| he/she/it | will have been livening up |
| we | will have been livening up |
| you | will have been livening up |
| they | will have been livening up |
| I | would liven up |
| you | would liven up |
| he/she/it | would liven up |
| we | would liven up |
| you | would liven up |
| they | would liven up |
| I | would have livened up |
| you | would have livened up |
| he/she/it | would have livened up |
| we | would have livened up |
| you | would have livened up |
| they | would have livened up |
| I | would be livening up |
| you | would be livening up |
| he/she/it | would be livening up |
| we | would be livening up |
| you | would be livening up |
| they | would be livening up |
| I | would have been livening up |
| you | would have been livening up |
| he/she/it | would have been livening up |
| we | would have been livening up |
| you | would have been livening up |
| they | would have been livening up |
| You | liven up |
| we | Let's liven up |
| You | liven up |