| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] it [verb] to be | 376 |
|
| 2 | [subord] it [vb past] to be | 123 |
|
| 3 | [subord] [pron] happened to be | 56 |
|
| 4 | [subord] it happen to be | 25 |
|
| 5 | [conj] it happened to be | 15 |
|
| 6 | [subord] it happened [prep] be | 9 |
|
| 7 | [subord] it happened to [be] | 9 |
|
