| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [vb base] [pron] [adv] | 3693 |
|
| 2 | i [vb base] [pron] happen | 64 |
|
| 3 | [vb base] [pron] [adv] happen | 16 |
|
| 4 | i [vb base] [adv] happen | 7 |
|
