| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] which had been | 27 |
|
| 2 | [indef pn] which had been | 25 |
|
| 3 | something which had been | 10 |
|
| 4 | something which had been | 10 |
|
| 5 | one which had been | 10 |
|
| 6 | one which had been | 10 |
|
