| I | concertize |
|---|---|
| you | concertize |
| he/she/it | concertizes |
| we | concertize |
| you | concertize |
| they | concertize |
| I | concertized |
|---|---|
| you | concertized |
| he/she/it | concertized |
| we | concertized |
| you | concertized |
| they | concertized |
| I | have | concertized |
|---|---|---|
| you | have | concertized |
| he/she/it | has | concertized |
| we | have | concertized |
| you | have | concertized |
| they | have | concertized |
| I | had | concertized |
|---|---|---|
| you | had | concertized |
| he/she/it | had | concertized |
| we | had | concertized |
| you | had | concertized |
| they | had | concertized |