| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] which [pron] happen to be | 7 |
|
| 2 | [prep] which [pron] happen to be | 7 |
|
| 3 | in which [pron] happen to be | 5 |
|
| 4 | in which [pron] happen to be | 5 |
|
