| I | assist |
|---|---|
| you | assist |
| he/she/it | assists |
| we | assist |
| you | assist |
| they | assist |
| I | assisted |
|---|---|
| you | assisted |
| he/she/it | assisted |
| we | assisted |
| you | assisted |
| they | assisted |
| I | have | assisted |
|---|---|---|
| you | have | assisted |
| he/she/it | has | assisted |
| we | have | assisted |
| you | have | assisted |
| they | have | assisted |
| I | had | assisted |
|---|---|---|
| you | had | assisted |
| he/she/it | had | assisted |
| we | had | assisted |
| you | had | assisted |
| they | had | assisted |
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