| I | bumble |
| you | bumble |
| he/she/it | bumbles |
| we | bumble |
| you | bumble |
| they | bumble |
| I | have bumbled |
| you | have bumbled |
| he/she/it | has bumbled |
| we | have bumbled |
| you | have bumbled |
| they | have bumbled |
| I | bumbled |
| you | bumbled |
| he/she/it | bumbled |
| we | bumbled |
| you | bumbled |
| they | bumbled |
| I | had bumbled |
| you | had bumbled |
| he/she/it | had bumbled |
| we | had bumbled |
| you | had bumbled |
| they | had bumbled |
| I | will bumble |
| you | will bumble |
| he/she/it | will bumble |
| we | will bumble |
| you | will bumble |
| they | will bumble |
| I | will have bumbled |
| you | will have bumbled |
| he/she/it | will have bumbled |
| we | will have bumbled |
| you | will have bumbled |
| they | will have bumbled |
| I | am bumbling |
| you | are bumbling |
| he/she/it | is bumbling |
| we | are bumbling |
| you | are bumbling |
| they | are bumbling |
| I | have been bumbling |
| you | have been bumbling |
| he/she/it | has been bumbling |
| we | have been bumbling |
| you | have been bumbling |
| they | have been bumbling |
| I | was bumbling |
| you | were bumbling |
| he/she/it | was bumbling |
| we | were bumbling |
| you | were bumbling |
| they | were bumbling |
| I | had been bumbling |
| you | had been bumbling |
| he/she/it | had been bumbling |
| we | had been bumbling |
| you | had been bumbling |
| they | had been bumbling |
| I | will be bumbling |
| you | will be bumbling |
| he/she/it | will be bumbling |
| we | will be bumbling |
| you | will be bumbling |
| they | will be bumbling |
| I | will have been bumbling |
| you | will have been bumbling |
| he/she/it | will have been bumbling |
| we | will have been bumbling |
| you | will have been bumbling |
| they | will have been bumbling |
| I | would bumble |
| you | would bumble |
| he/she/it | would bumble |
| we | would bumble |
| you | would bumble |
| they | would bumble |
| I | would have bumbled |
| you | would have bumbled |
| he/she/it | would have bumbled |
| we | would have bumbled |
| you | would have bumbled |
| they | would have bumbled |
| I | would be bumbling |
| you | would be bumbling |
| he/she/it | would be bumbling |
| we | would be bumbling |
| you | would be bumbling |
| they | would be bumbling |
| I | would have been bumbling |
| you | would have been bumbling |
| he/she/it | would have been bumbling |
| we | would have been bumbling |
| you | would have been bumbling |
| they | would have been bumbling |
| You | bumble |
| we | Let's bumble |
| You | bumble |