| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pron] [verb] [noun] | 674 |
|
| 2 | when [pers pn] [verb] [noun] | 664 |
|
| 3 | [adv] it [verb] [noun] | 408 |
|
| 4 | when it [verb] [noun] | 38 |
|
