| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [adv] be | 8382 |
|
| 2 | [pron] [adv] happen | 948 |
|
| 3 | [pron] happen be | 266 |
|
| 4 | [adv] happen be | 81 |
|
