| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] must be unique | 22 |
|
| 2 | [noun pl] must be unique | 18 |
|
| 3 | name must be unique | 10 |
|
| 4 | names must be unique | 10 |
|
| 5 | identifiers must be unique | 6 |
|
| 6 | identifier must be unique | 6 |
|
| 7 | must be unique [prep] | 19 |
|
| 8 | must be unique [prep] | 19 |
|
| 9 | must be unique on | 14 |
|
| 10 | must be unique on | 14 |
|
| 11 | must be unique and | 5 |
|
| 12 | must be unique and | 5 |
|
| 13 | must be unique [conj] | 5 |
|
| 14 | must be unique [coord] | 5 |
|
