| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [pron] [verb] to [be] | 1345 |
|
| 2 | [pron] [pron] [vb past] to [be] | 574 |
|
| 3 | [pron] [pron] happen to [be] | 31 |
|
| 4 | [pron] [pron] happened [prep] [be] | 9 |
|
