Present
| I | bubble |
| You | bubble |
| She | bubbles |
| We | bubble |
| They | bubble |
Past
| I | bubbled |
| You | bubbled |
| She | bubbled |
| We | bubbled |
| They | bubbled |
Perfect
| I | have | bubbled |
| You | have | bubbled |
| She | has | bubbled |
| We | have | bubbled |
| They | have | bubbled |
Future
| I | will | bubble |
| You | will | bubble |
| She | will | bubble |
| We | will | bubble |
| They | will | bubble |
Past Perfect
| I | had | bubbled |
| You | had | bubbled |
| She | had | bubbled |
| We | had | bubbled |
| They | had | bubbled |
Future Perfect
| I | will | have | bubbled |
| You | will | have | bubbled |
| She | will | have | bubbled |
| We | will | have | bubbled |
| They | will | have | bubbled |
Present - Conditional
| I | would | bubble |
| You | would | bubble |
| She | would | bubble |
| We | would | bubble |
| They | would | bubble |
Perfect - Conditional
| I | would | have | bubbled |
| You | would | have | bubbled |
| She | would | have | bubbled |
| We | would | have | bubbled |
| They | would | have | bubbled |