| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [prep] [adv] a | 249 |
|
| 2 | [prep] [adv] a quarter | 151 |
|
| 3 | [vb past] [prep] a quarter | 24 |
|
| 4 | [vb past] [adv] a quarter | 23 |
|
