| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb base] not | 14624 |
|
| 2 | [pron] [vb base] happen | 63 |
|
| 3 | [vb base] not happen | 17 |
|
| 4 | [pron] not happen | 5 |
|
