| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pron] [vb past] [verb] [noun] | 340 |
|
| 2 | [conj] it [vb past] [verb] [noun] | 254 |
|
| 3 | when it [verb] [verb] [noun] | 48 |
|
