| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [vb -s] [be] | 1794 |
|
| 2 | [subord] it [vb -s] [be] | 901 |
|
| 3 | if it [verb] [be] | 528 |
|
| 4 | if [pron] [vb -s] [be] | 276 |
|
| 5 | if it [vb -s] [be] | 99 |
|
