| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] at [adv] a third | 8 |
|
| 2 | [prep] at [adv] a third | 8 |
|
| 3 | [verb] at [adv] a third | 8 |
|
| 4 | at [adv] a third [prep] | 21 |
|
| 5 | at [adv] a third [prep] | 21 |
|
| 6 | at [adv] a third of | 19 |
|
| 7 | at [adv] a third of | 19 |
|
