| I | sustain | |
|---|---|---|
| you | sustain | |
| he/she/it | sustains | |
| we | sustain | |
| you | sustain | |
| they | sustain |
| I | sustained | |
|---|---|---|
| you | sustained | |
| he/she/it | sustained | |
| we | sustained | |
| you | sustained | |
| they | sustained |
| I | have | sustained | |
|---|---|---|---|
| you | have | sustained | |
| he/she/it | has | sustained | |
| we | have | sustained | |
| you | have | sustained | |
| they | have | sustained |
| I | had | sustained | |
|---|---|---|---|
| you | had | sustained | |
| he/she/it | had | sustained | |
| we | had | sustained | |
| you | had | sustained | |
| they | had | sustained |