| I | observe | |
|---|---|---|
| you | observe | |
| he/she/it | observes | |
| we | observe | |
| you | observe | |
| they | observe |
| I | observed | |
|---|---|---|
| you | observed | |
| he/she/it | observed | |
| we | observed | |
| you | observed | |
| they | observed |
| I | have | observed | |
|---|---|---|---|
| you | have | observed | |
| he/she/it | has | observed | |
| we | have | observed | |
| you | have | observed | |
| they | have | observed |
| I | had | observed | |
|---|---|---|---|
| you | had | observed | |
| he/she/it | had | observed | |
| we | had | observed | |
| you | had | observed | |
| they | had | observed |