| I | mumble |
| you | mumble |
| he/she/it | mumbles |
| we | mumble |
| you | mumble |
| they | mumble |
| I | have mumbled |
| you | have mumbled |
| he/she/it | has mumbled |
| we | have mumbled |
| you | have mumbled |
| they | have mumbled |
| I | mumbled |
| you | mumbled |
| he/she/it | mumbled |
| we | mumbled |
| you | mumbled |
| they | mumbled |
| I | had mumbled |
| you | had mumbled |
| he/she/it | had mumbled |
| we | had mumbled |
| you | had mumbled |
| they | had mumbled |
| I | will mumble |
| you | will mumble |
| he/she/it | will mumble |
| we | will mumble |
| you | will mumble |
| they | will mumble |
| I | will have mumbled |
| you | will have mumbled |
| he/she/it | will have mumbled |
| we | will have mumbled |
| you | will have mumbled |
| they | will have mumbled |
| I | am mumbling |
| you | are mumbling |
| he/she/it | is mumbling |
| we | are mumbling |
| you | are mumbling |
| they | are mumbling |
| I | have been mumbling |
| you | have been mumbling |
| he/she/it | has been mumbling |
| we | have been mumbling |
| you | have been mumbling |
| they | have been mumbling |
| I | was mumbling |
| you | were mumbling |
| he/she/it | was mumbling |
| we | were mumbling |
| you | were mumbling |
| they | were mumbling |
| I | had been mumbling |
| you | had been mumbling |
| he/she/it | had been mumbling |
| we | had been mumbling |
| you | had been mumbling |
| they | had been mumbling |
| I | will be mumbling |
| you | will be mumbling |
| he/she/it | will be mumbling |
| we | will be mumbling |
| you | will be mumbling |
| they | will be mumbling |
| I | will have been mumbling |
| you | will have been mumbling |
| he/she/it | will have been mumbling |
| we | will have been mumbling |
| you | will have been mumbling |
| they | will have been mumbling |
| I | would mumble |
| you | would mumble |
| he/she/it | would mumble |
| we | would mumble |
| you | would mumble |
| they | would mumble |
| I | would have mumbled |
| you | would have mumbled |
| he/she/it | would have mumbled |
| we | would have mumbled |
| you | would have mumbled |
| they | would have mumbled |
| I | would be mumbling |
| you | would be mumbling |
| he/she/it | would be mumbling |
| we | would be mumbling |
| you | would be mumbling |
| they | would be mumbling |
| I | would have been mumbling |
| you | would have been mumbling |
| he/she/it | would have been mumbling |
| we | would have been mumbling |
| you | would have been mumbling |
| they | would have been mumbling |
| You | mumble |
| we | Let's mumble |
| You | mumble |