| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [vb past] [prep] [noun] | 4344 |
|
| 2 | once [vb past] [prep] [noun] | 92 |
|
| 3 | i once [vb past] [prep] | 58 |
|
| 4 | i once [vb past] [noun] | 24 |
|
