| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [conj] [pron] [adv] | 577 |
|
| 2 | [conj] [pron] [adv] happen | 228 |
|
| 3 | [vb base] [conj] [pron] happen | 26 |
|
| 4 | [vb base] [pron] [adv] happen | 16 |
|
