| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [prep] [noun] [subord] a [noun sg] | 16 |
|
| 2 | [vb past] [prep] [noun sg] [subord] a [noun sg] | 12 |
|
| 3 | [vb past] [prep] [noun] when a [noun sg] | 8 |
|
