| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [prep] the [noun] when | 14 |
|
| 2 | [prep] [prep] the [noun sg] when | 12 |
|
| 3 | [prep] [prep] the time when | 9 |
|
| 4 | [prep] [prep] the time when | 9 |
|
| 5 | [prep] about the [noun] when | 6 |
|
| 6 | at [prep] the [noun] when | 5 |
|
