| I | close off |
|---|---|
| you | close off |
| he/she/it | closes off |
| we | close off |
| you | close off |
| they | close off |
| I | closed off |
|---|---|
| you | closed off |
| he/she/it | closed off |
| we | closed off |
| you | closed off |
| they | closed off |
| I | have | closed off |
|---|---|---|
| you | have | closed off |
| he/she/it | has | closed off |
| we | have | closed off |
| you | have | closed off |
| they | have | closed off |
| I | had | closed off |
|---|---|---|
| you | had | closed off |
| he/she/it | had | closed off |
| we | had | closed off |
| you | had | closed off |
| they | had | closed off |