| Simple | Progressive | Perfect | Progressive |
| Present |
| I bubble |
| you bubble |
| he/she/it bubbles |
| we bubble |
| you all bubble |
| they bubble |
|
| I am bubbling |
| you are bubbling |
| he/she/it is bubbling |
| we are bubbling |
| you all are bubbling |
| they are bubbling |
|
| I have bubbled |
| you have bubbled |
| he/she/it has bubbled |
| we have bubbled |
| you all have bubbled |
| they have bubbled |
|
| I have been bubbling |
| you have been bubbling |
| he/she/it has been bubbling |
| we have been bubbling |
| you all have been bubbling |
| they have been bubbling |
|
| Past |
| I bubbled |
| you bubbled |
| he/she/it bubbled |
| we bubbled |
| you all bubbled |
| they bubbled |
|
| I was bubbling |
| you were bubbling |
| he/she/it was bubbling |
| we were bubbling |
| you all were bubbling |
| they were bubbling |
|
| I had bubbled |
| you had bubbled |
| he/she/it had bubbled |
| we had bubbled |
| you all had bubbled |
| they had bubbled |
|
| I had been bubbling |
| you had been bubbling |
| he/she/it had been bubbling |
| we had been bubbling |
| you all had been bubbling |
| they had been bubbling |
|
| Future |
| I will bubble |
| you will bubble |
| he/she/it will bubble |
| we will bubble |
| you all will bubble |
| they will bubble |
|
| I will be bubbling |
| you will be bubbling |
| he/she/it will be bubbling |
| we are bubbling |
| you all will be bubbling |
| they will be bubbling |
|
| I will have bubbled |
| you will have bubbled |
| he/she/it will have bubbled |
| we will have bubbled |
| you all will have bubbled |
| they will have bubbled |
|
| I will have been bubbling |
| you will have been bubbling |
| he/she/it will have been bubbling |
| we will have been bubbling |
| you all will have been bubbling |
| they will have been bubbling |
|
