| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | prices [vb base] at time of | 5 |
|
| 2 | prices [vb base] at time [prep] | 5 |
|
| 3 | prices [vb base] at time of | 5 |
|
| 4 | prices [vb base] at time [prep] | 5 |
|
