| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [Wh det] once [vb past] [noun] | 10 |
|
| 2 | [noun sg] [Wh det] once [vb past] [noun] | 9 |
|
| 3 | [Wh det] once [vb past] [art] [noun] | 18 |
|
| 4 | [Wh det] once [vb past] [art] [noun] | 18 |
|
| 5 | [Wh det] once [vb past] the [noun] | 16 |
|
| 6 | [Wh det] once [vb past] the [noun] | 16 |
|
| 7 | [Wh det] once [vb past] [prep] [noun] | 11 |
|
| 8 | [Wh det] once [vb past] [prep] [noun] | 11 |
|
| 9 | [Wh det] once [vb past] [adj] [noun] | 10 |
|
| 10 | [Wh det] once [vb past] [adj] [noun] | 5 |
|
| 11 | [Wh det] once [vb past] [noun] [prep] | 10 |
|
| 12 | [Wh det] once [vb past] [noun] [prep] | 10 |
|
