| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a third [noun] [is] [conj] [art] | 7 |
|
| 2 | a third [noun] [is] [conj] [art] | 7 |
|
| 3 | a third [noun] [is] [conj] the | 6 |
|
| 4 | a third [noun] [is] [conj] the | 6 |
|
