| I | stop up | |
|---|---|---|
| you | stop up | |
| he/she/it | stops up | |
| we | stop up | |
| you | stop up | |
| they | stop up |
| I | stopped up | |
|---|---|---|
| you | stopped up | |
| he/she/it | stopped up | |
| we | stopped up | |
| you | stopped up | |
| they | stopped up |
| I | have | stopped up | |
|---|---|---|---|
| you | have | stopped up | |
| he/she/it | has | stopped up | |
| we | have | stopped up | |
| you | have | stopped up | |
| they | have | stopped up |
| I | had | stopped up | |
|---|---|---|---|
| you | had | stopped up | |
| he/she/it | had | stopped up | |
| we | had | stopped up | |
| you | had | stopped up | |
| they | had | stopped up |