| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a quarter to [num] | 42 |
|
| 2 | [adv] a quarter to [num] | 15 |
|
| 3 | [prep] [adv] quarter to [num] | 12 |
|
| 4 | [prep] [adv] a quarter to | 6 |
|
