| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | only [adv] a third of | 15 |
|
| 2 | only [adv] a third [prep] | 15 |
|
| 3 | only [adv] a third [prep] | 15 |
|
| 4 | only about a third [prep] | 12 |
|
| 5 | only about a third [prep] | 12 |
|
