| Simple | Progressive | Perfect | Progressive |
| Present |
| I perturb |
| you perturb |
| he/she/it perturbs |
| we perturb |
| you all perturb |
| they perturb |
|
| I am perturbing |
| you are perturbing |
| he/she/it is perturbing |
| we are perturbing |
| you all are perturbing |
| they are perturbing |
|
| I have perturbed |
| you have perturbed |
| he/she/it has perturbed |
| we have perturbed |
| you all have perturbed |
| they have perturbed |
|
| I have been perturbing |
| you have been perturbing |
| he/she/it has been perturbing |
| we have been perturbing |
| you all have been perturbing |
| they have been perturbing |
|
| Past |
| I perturbed |
| you perturbed |
| he/she/it perturbed |
| we perturbed |
| you all perturbed |
| they perturbed |
|
| I was perturbing |
| you were perturbing |
| he/she/it was perturbing |
| we were perturbing |
| you all were perturbing |
| they were perturbing |
|
| I had perturbed |
| you had perturbed |
| he/she/it had perturbed |
| we had perturbed |
| you all had perturbed |
| they had perturbed |
|
| I had been perturbing |
| you had been perturbing |
| he/she/it had been perturbing |
| we had been perturbing |
| you all had been perturbing |
| they had been perturbing |
|
| Future |
| I will perturb |
| you will perturb |
| he/she/it will perturb |
| we will perturb |
| you all will perturb |
| they will perturb |
|
| I will be perturbing |
| you will be perturbing |
| he/she/it will be perturbing |
| we are perturbing |
| you all will be perturbing |
| they will be perturbing |
|
| I will have perturbed |
| you will have perturbed |
| he/she/it will have perturbed |
| we will have perturbed |
| you all will have perturbed |
| they will have perturbed |
|
| I will have been perturbing |
| you will have been perturbing |
| he/she/it will have been perturbing |
| we will have been perturbing |
| you all will have been perturbing |
| they will have been perturbing |
|
