| I | lack | |
|---|---|---|
| you | lack | |
| he/she/it | lacks | |
| we | lack | |
| you | lack | |
| they | lack |
| I | lacked | |
|---|---|---|
| you | lacked | |
| he/she/it | lacked | |
| we | lacked | |
| you | lacked | |
| they | lacked |
| I | have | lacked | |
|---|---|---|---|
| you | have | lacked | |
| he/she/it | has | lacked | |
| we | have | lacked | |
| you | have | lacked | |
| they | have | lacked |
| I | had | lacked | |
|---|---|---|---|
| you | had | lacked | |
| he/she/it | had | lacked | |
| we | had | lacked | |
| you | had | lacked | |
| they | had | lacked |