| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [adv] happen to | 158 |
|
| 2 | [pron] [that] happen to | 36 |
|
| 3 | [that] [adv] happen to | 23 |
|
| 4 | [pron] [that] [adv] happen | 23 |
|
