| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [adv] to | 3204 |
|
| 2 | [adv] happen to | 394 |
|
| 3 | [conj] [adv] happen | 175 |
|
| 4 | [conj] happen to | 139 |
|
