| I | systematize | |
|---|---|---|
| you | systematize | |
| he/she/it | systematizes | |
| we | systematize | |
| you | systematize | |
| they | systematize |
| I | systematized | |
|---|---|---|
| you | systematized | |
| he/she/it | systematized | |
| we | systematized | |
| you | systematized | |
| they | systematized |
| I | have | systematized | |
|---|---|---|---|
| you | have | systematized | |
| he/she/it | has | systematized | |
| we | have | systematized | |
| you | have | systematized | |
| they | have | systematized |
| I | had | systematized | |
|---|---|---|---|
| you | had | systematized | |
| he/she/it | had | systematized | |
| we | had | systematized | |
| you | had | systematized | |
| they | had | systematized |