| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be once [vb pp] [prep] as | 5 |
|
| 2 | [be] once [vb pp] [prep] as | 5 |
|
| 3 | once [vb pp] [prep] as [art] | 5 |
|
| 4 | once [vb pp] [prep] as [art] | 5 |
|
