| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [adv] to | 5419 |
|
| 2 | [adv] happen to | 484 |
|
| 3 | [adv] happen to | 394 |
|
| 4 | [adv] [adv] happen | 274 |
|
