| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [verb] to [be] | 18960 |
|
| 2 | [pron] [vb past] to [be] | 6945 |
|
| 3 | [pron] happen to [be] | 565 |
|
| 4 | [pron] happened [prep] [be] | 236 |
|
