| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [adv] happen to | 22 |
|
| 2 | [noun sg] [adv] happen to | 19 |
|
| 3 | [noun sg] which [adv] happen | 13 |
|
| 4 | [noun sg] which happen to | 12 |
|
