| Simple | Progressive | Perfect | Progressive |
| Present |
| I diagram |
| you diagram |
| he/she/it diagrams |
| we diagram |
| you all diagram |
| they diagram |
|
| I am diagraming/diagramming |
| you are diagraming/diagramming |
| he/she/it is diagraming/diagramming |
| we are diagraming/diagramming |
| you all are diagraming/diagramming |
| they are diagraming/diagramming |
|
| I have diagramed/diagrammed |
| you have diagramed/diagrammed |
| he/she/it has diagramed/diagrammed |
| we have diagramed/diagrammed |
| you all have diagramed/diagrammed |
| they have diagramed/diagrammed |
|
| I have been diagraming/diagramming |
| you have been diagraming/diagramming |
| he/she/it has been diagraming/diagramming |
| we have been diagraming/diagramming |
| you all have been diagraming/diagramming |
| they have been diagraming/diagramming |
|
| Past |
| I diagramed/diagrammed |
| you diagramed/diagrammed |
| he/she/it diagramed/diagrammed |
| we diagramed/diagrammed |
| you all diagramed/diagrammed |
| they diagramed/diagrammed |
|
| I was diagraming/diagramming |
| you were diagraming/diagramming |
| he/she/it was diagraming/diagramming |
| we were diagraming/diagramming |
| you all were diagraming/diagramming |
| they were diagraming/diagramming |
|
| I had diagramed/diagrammed |
| you had diagramed/diagrammed |
| he/she/it had diagramed/diagrammed |
| we had diagramed/diagrammed |
| you all had diagramed/diagrammed |
| they had diagramed/diagrammed |
|
| I had been diagraming/diagramming |
| you had been diagraming/diagramming |
| he/she/it had been diagraming/diagramming |
| we had been diagraming/diagramming |
| you all had been diagraming/diagramming |
| they had been diagraming/diagramming |
|
| Future |
| I will diagram |
| you will diagram |
| he/she/it will diagram |
| we will diagram |
| you all will diagram |
| they will diagram |
|
| I will be diagraming/diagramming |
| you will be diagraming/diagramming |
| he/she/it will be diagraming/diagramming |
| we are diagraming/diagramming |
| you all will be diagraming/diagramming |
| they will be diagraming/diagramming |
|
| I will have diagramed/diagrammed |
| you will have diagramed/diagrammed |
| he/she/it will have diagramed/diagrammed |
| we will have diagramed/diagrammed |
| you all will have diagramed/diagrammed |
| they will have diagramed/diagrammed |
|
| I will have been diagraming/diagramming |
| you will have been diagraming/diagramming |
| he/she/it will have been diagraming/diagramming |
| we will have been diagraming/diagramming |
| you all will have been diagraming/diagramming |
| they will have been diagraming/diagramming |
|
