| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [verb] been [verb] [prep] | 2749 |
|
| 2 | [num] [verb] been [verb] [prep] | 557 |
|
| 3 | [num] which [verb] been [verb] | 28 |
|
| 4 | [num] which [verb] [verb] [prep] | 20 |
|
