| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] than a quarter of [adj] | 5 |
|
| 2 | [adj] than a quarter [prep] [adj] | 5 |
|
| 3 | [det] than a quarter [prep] [adj] | 5 |
|
| 4 | [adj] than a quarter of [adj] | 5 |
|
