| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [conj] it [vb past] | 356 |
|
| 2 | be if [pron] [vb past] | 160 |
|
| 3 | be if it [verb] | 34 |
|
| 4 | [be] if it [vb past] | 14 |
|
