| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [conj] it [be] [vb pp] | 141 |
|
| 2 | [be] if [pron] [be] [vb pp] | 18 |
|
| 3 | [be] if it [be] [verb] | 9 |
|
