| Simple | Progressive | Perfect | Progressive |
| Present |
| I intensify |
| you intensify |
| he/she/it intensifies |
| we intensify |
| you all intensify |
| they intensify |
|
| I am intensifying |
| you are intensifying |
| he/she/it is intensifying |
| we are intensifying |
| you all are intensifying |
| they are intensifying |
|
| I have intensified |
| you have intensified |
| he/she/it has intensified |
| we have intensified |
| you all have intensified |
| they have intensified |
|
| I have been intensifying |
| you have been intensifying |
| he/she/it has been intensifying |
| we have been intensifying |
| you all have been intensifying |
| they have been intensifying |
|
| Past |
| I intensified |
| you intensified |
| he/she/it intensified |
| we intensified |
| you all intensified |
| they intensified |
|
| I was intensifying |
| you were intensifying |
| he/she/it was intensifying |
| we were intensifying |
| you all were intensifying |
| they were intensifying |
|
| I had intensified |
| you had intensified |
| he/she/it had intensified |
| we had intensified |
| you all had intensified |
| they had intensified |
|
| I had been intensifying |
| you had been intensifying |
| he/she/it had been intensifying |
| we had been intensifying |
| you all had been intensifying |
| they had been intensifying |
|
| Future |
| I will intensify |
| you will intensify |
| he/she/it will intensify |
| we will intensify |
| you all will intensify |
| they will intensify |
|
| I will be intensifying |
| you will be intensifying |
| he/she/it will be intensifying |
| we are intensifying |
| you all will be intensifying |
| they will be intensifying |
|
| I will have intensified |
| you will have intensified |
| he/she/it will have intensified |
| we will have intensified |
| you all will have intensified |
| they will have intensified |
|
| I will have been intensifying |
| you will have been intensifying |
| he/she/it will have been intensifying |
| we will have been intensifying |
| you all will have been intensifying |
| they will have been intensifying |
|
