| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [det] than a quarter of | 26 |
|
| 2 | [prep] more than a quarter of | 14 |
|
| 3 | [prep] less than a quarter of | 10 |
|
| 4 | for [det] than a quarter of | 9 |
|
