| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if [pron] [vb past] [det] [noun] | 420 |
|
| 2 | [conj] it [vb past] [det] [noun] | 220 |
|
| 3 | if it [verb] [det] [noun] | 65 |
|
| 4 | if it [vb past] [adj] [noun] | 50 |
|
