| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | some of which had been | 14 |
|
| 2 | some [prep] which had been | 14 |
|
| 3 | some [prep] which had been | 14 |
|
| 4 | some [prep] which had been | 14 |
|
| 5 | some of which had been | 14 |
|
