| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] a third [prep] | 478 |
|
| 2 | [verb] a third [prep] | 132 |
|
| 3 | [verb] [adv] a third | 127 |
|
| 4 | [verb] [adv] a [prep] | 8 |
|
| 5 | [verb] [adv] third [prep] | 8 |
|
