| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] [det] [adj] [noun] | 145 |
|
| 2 | if it [vb past] [adj] [noun] | 50 |
|
| 3 | if it [vb past] [det] [noun] | 16 |
|
| 4 | if it [vb past] [det] [adj] | 9 |
|
