| I | decrease | |
|---|---|---|
| you | decrease | |
| he/she/it | decreases | |
| we | decrease | |
| you | decrease | |
| they | decrease |
| I | decreased | |
|---|---|---|
| you | decreased | |
| he/she/it | decreased | |
| we | decreased | |
| you | decreased | |
| they | decreased |
| I | have | decreased | |
|---|---|---|---|
| you | have | decreased | |
| he/she/it | has | decreased | |
| we | have | decreased | |
| you | have | decreased | |
| they | have | decreased |
| I | had | decreased | |
|---|---|---|---|
| you | had | decreased | |
| he/she/it | had | decreased | |
| we | had | decreased | |
| you | had | decreased | |
| they | had | decreased |