| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] less than [art] quarter of | 6 |
|
| 2 | [adv] less than a quarter of | 6 |
|
| 3 | [adv] less than [art] quarter of | 6 |
|
| 4 | [adv] less than [art] quarter of | 5 |
|
