| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] when the | 466 |
|
| 2 | [noun prp] [prep] a [noun] when | 46 |
|
| 3 | [noun prp] [prep] a [noun] the | 20 |
|
| 4 | [noun prp] [prep] [noun] when the | 15 |
|
