| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] when [pron] [verb] [noun] | 106 |
|
| 2 | [vb past] when [pers pn] [verb] [noun] | 104 |
|
| 3 | [vb past] [conj] it [verb] [noun] | 50 |
|
| 4 | [verb] when it [verb] [noun] | 11 |
|
| 5 | [vb past] when it [verb] [noun] | 5 |
|
