| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] when i | 348 |
|
| 2 | [to-vb] [prep] [noun] when | 196 |
|
| 3 | [to-vb] [prep] [noun] i | 53 |
|
| 4 | [to-vb] [noun] when i | 14 |
|
