| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] which [pron] [be] to | 73 |
|
| 2 | at which [pron] [be] [prep] | 7 |
|
| 3 | at which [pron] [be] [prep] | 7 |
|
| 4 | at [pron] [pron] [be] to | 6 |
|
| 5 | at which [pron] [be] to | 6 |
|
