| Simple | Progressive | Perfect | Progressive |
| Present |
| I lumber |
| you lumber |
| he/she/it lumbers |
| we lumber |
| you all lumber |
| they lumber |
|
| I am lumbering |
| you are lumbering |
| he/she/it is lumbering |
| we are lumbering |
| you all are lumbering |
| they are lumbering |
|
| I have lumbered |
| you have lumbered |
| he/she/it has lumbered |
| we have lumbered |
| you all have lumbered |
| they have lumbered |
|
| I have been lumbering |
| you have been lumbering |
| he/she/it has been lumbering |
| we have been lumbering |
| you all have been lumbering |
| they have been lumbering |
|
| Past |
| I lumbered |
| you lumbered |
| he/she/it lumbered |
| we lumbered |
| you all lumbered |
| they lumbered |
|
| I was lumbering |
| you were lumbering |
| he/she/it was lumbering |
| we were lumbering |
| you all were lumbering |
| they were lumbering |
|
| I had lumbered |
| you had lumbered |
| he/she/it had lumbered |
| we had lumbered |
| you all had lumbered |
| they had lumbered |
|
| I had been lumbering |
| you had been lumbering |
| he/she/it had been lumbering |
| we had been lumbering |
| you all had been lumbering |
| they had been lumbering |
|
| Future |
| I will lumber |
| you will lumber |
| he/she/it will lumber |
| we will lumber |
| you all will lumber |
| they will lumber |
|
| I will be lumbering |
| you will be lumbering |
| he/she/it will be lumbering |
| we are lumbering |
| you all will be lumbering |
| they will be lumbering |
|
| I will have lumbered |
| you will have lumbered |
| he/she/it will have lumbered |
| we will have lumbered |
| you all will have lumbered |
| they will have lumbered |
|
| I will have been lumbering |
| you will have been lumbering |
| he/she/it will have been lumbering |
| we will have been lumbering |
| you all will have been lumbering |
| they will have been lumbering |
|
