| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [adv] happen | 954 |
|
| 2 | [pron] [adv] happen | 948 |
|
| 3 | [pron] so [verb] | 685 |
|
| 4 | [pron] so happen | 100 |
|
