| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | occurred [prep] a [noun] when the | 6 |
|
| 2 | occurred [prep] a [noun] when the | 6 |
|
| 3 | occurred at a [noun] when the | 6 |
|
| 4 | occurred [prep] a [noun] when the | 6 |
|
| 5 | occurred at a [noun] when the | 6 |
|
| 6 | occurred [prep] a [noun sg] when the | 6 |
|
| 7 | occurred [prep] a time when the | 5 |
|
| 8 | occurred [prep] a time when the | 5 |
|
