| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adv] a quarter | 151 |
|
| 2 | [vb -s] [prep] [adv] a | 144 |
|
| 3 | [vb -s] [adv] a quarter | 17 |
|
| 4 | [vb -s] [prep] a quarter | 14 |
|
