| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [pron] [vb mod] [adv] | 4440 |
|
| 2 | [pron] [vb mod] [adv] happen | 173 |
|
| 3 | [subord] [pron] [adv] happen | 90 |
|
| 4 | [subord] [pron] [vb mod] happen | 55 |
|
