| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [noun prp] [vb past] [pron] first | 14 |
|
| 2 | when [noun] [vb past] [pos pn] first | 14 |
|
| 3 | when [noun] [vb past] his first | 9 |
|
| 4 | when [noun] [vb past] his first | 9 |
|
