| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [prep] [be] | 7950 |
|
| 2 | [pron] happen [prep] | 3504 |
|
| 3 | happen [prep] [be] | 1101 |
|
| 4 | [pron] happen [be] | 266 |
|
