| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when first [vb pp] [prep] | 29 |
|
| 2 | when first [vb pp] [prep] | 29 |
|
| 3 | when first [vb pp] in | 11 |
|
| 4 | when first [vb pp] in | 11 |
|
| 5 | when first [vb pp] by | 5 |
|
| 6 | when first [vb pp] by | 5 |
|
