| Simple | Progressive | Perfect | Progressive |
| Present |
| I sterilize |
| you sterilize |
| he/she/it sterilizes |
| we sterilize |
| you all sterilize |
| they sterilize |
|
| I am sterilizing |
| you are sterilizing |
| he/she/it is sterilizing |
| we are sterilizing |
| you all are sterilizing |
| they are sterilizing |
|
| I have sterilized |
| you have sterilized |
| he/she/it has sterilized |
| we have sterilized |
| you all have sterilized |
| they have sterilized |
|
| I have been sterilizing |
| you have been sterilizing |
| he/she/it has been sterilizing |
| we have been sterilizing |
| you all have been sterilizing |
| they have been sterilizing |
|
| Past |
| I sterilized |
| you sterilized |
| he/she/it sterilized |
| we sterilized |
| you all sterilized |
| they sterilized |
|
| I was sterilizing |
| you were sterilizing |
| he/she/it was sterilizing |
| we were sterilizing |
| you all were sterilizing |
| they were sterilizing |
|
| I had sterilized |
| you had sterilized |
| he/she/it had sterilized |
| we had sterilized |
| you all had sterilized |
| they had sterilized |
|
| I had been sterilizing |
| you had been sterilizing |
| he/she/it had been sterilizing |
| we had been sterilizing |
| you all had been sterilizing |
| they had been sterilizing |
|
| Future |
| I will sterilize |
| you will sterilize |
| he/she/it will sterilize |
| we will sterilize |
| you all will sterilize |
| they will sterilize |
|
| I will be sterilizing |
| you will be sterilizing |
| he/she/it will be sterilizing |
| we are sterilizing |
| you all will be sterilizing |
| they will be sterilizing |
|
| I will have sterilized |
| you will have sterilized |
| he/she/it will have sterilized |
| we will have sterilized |
| you all will have sterilized |
| they will have sterilized |
|
| I will have been sterilizing |
| you will have been sterilizing |
| he/she/it will have been sterilizing |
| we will have been sterilizing |
| you all will have been sterilizing |
| they will have been sterilizing |
|
