| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [prep] [noun] a [noun sg] | 152 |
|
| 2 | [prep] [noun] when a [noun sg] | 127 |
|
| 3 | [vb past] [prep] [noun] when a | 14 |
|
| 4 | [vb past] [prep] [noun] when [noun sg] | 11 |
|
