| I | swab |
|---|---|
| you | swab |
| he/she/it | swabs |
| we | swab |
| you | swab |
| they | swab |
| I | swabbed |
|---|---|
| you | swabbed |
| he/she/it | swabbed |
| we | swabbed |
| you | swabbed |
| they | swabbed |
| I | have | swabbed |
|---|---|---|
| you | have | swabbed |
| he/she/it | has | swabbed |
| we | have | swabbed |
| you | have | swabbed |
| they | have | swabbed |
| I | had | swabbed |
|---|---|---|
| you | had | swabbed |
| he/she/it | had | swabbed |
| we | had | swabbed |
| you | had | swabbed |
| they | had | swabbed |