| I | plummet | 
|---|---|
| you | plummet | 
| he/she/it | plummets | 
| we | plummet | 
| you | plummet | 
| they | plummet | 
| I | plummeted | 
|---|---|
| you | plummeted | 
| he/she/it | plummeted | 
| we | plummeted | 
| you | plummeted | 
| they | plummeted | 
| I | have | plummeted | 
|---|---|---|
| you | have | plummeted | 
| he/she/it | has | plummeted | 
| we | have | plummeted | 
| you | have | plummeted | 
| they | have | plummeted | 
| I | had | plummeted | 
|---|---|---|
| you | had | plummeted | 
| he/she/it | had | plummeted | 
| we | had | plummeted | 
| you | had | plummeted | 
| they | had | plummeted | 
