| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [adv] [verb] to | 504 |
|
| 2 | which [adv] [vb past] to | 206 |
|
| 3 | [pron] [adv] happened to | 71 |
|
| 4 | which [adv] happen to | 22 |
|
| 5 | which [adv] happened [prep] | 10 |
|
| 6 | which [adv] happened to | 7 |
|
