| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [prep] [art] [noun] | 38494 |
|
| 2 | once [prep] [art] [noun] | 893 |
|
| 3 | [vb base] once [art] [noun] | 42 |
|
| 4 | [vb base] once [prep] [art] | 9 |
|
| 5 | [vb base] once [prep] [noun] | 5 |
|
