| Simple | Progressive | Perfect | Progressive |
| Present |
| I swab |
| you swab |
| he/she/it swabs |
| we swab |
| you all swab |
| they swab |
|
| I am swabbing |
| you are swabbing |
| he/she/it is swabbing |
| we are swabbing |
| you all are swabbing |
| they are swabbing |
|
| I have swabbed |
| you have swabbed |
| he/she/it has swabbed |
| we have swabbed |
| you all have swabbed |
| they have swabbed |
|
| I have been swabbing |
| you have been swabbing |
| he/she/it has been swabbing |
| we have been swabbing |
| you all have been swabbing |
| they have been swabbing |
|
| Past |
| I swabbed |
| you swabbed |
| he/she/it swabbed |
| we swabbed |
| you all swabbed |
| they swabbed |
|
| I was swabbing |
| you were swabbing |
| he/she/it was swabbing |
| we were swabbing |
| you all were swabbing |
| they were swabbing |
|
| I had swabbed |
| you had swabbed |
| he/she/it had swabbed |
| we had swabbed |
| you all had swabbed |
| they had swabbed |
|
| I had been swabbing |
| you had been swabbing |
| he/she/it had been swabbing |
| we had been swabbing |
| you all had been swabbing |
| they had been swabbing |
|
| Future |
| I will swab |
| you will swab |
| he/she/it will swab |
| we will swab |
| you all will swab |
| they will swab |
|
| I will be swabbing |
| you will be swabbing |
| he/she/it will be swabbing |
| we are swabbing |
| you all will be swabbing |
| they will be swabbing |
|
| I will have swabbed |
| you will have swabbed |
| he/she/it will have swabbed |
| we will have swabbed |
| you all will have swabbed |
| they will have swabbed |
|
| I will have been swabbing |
| you will have been swabbing |
| he/she/it will have been swabbing |
| we will have been swabbing |
| you all will have been swabbing |
| they will have been swabbing |
|
