| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [art] once [prep] a | 6 |
|
| 2 | [be] [art] once [prep] [art] | 6 |
|
| 3 | [be] [art] once [prep] a | 6 |
|
| 4 | [be] [art] once [prep] [art] | 6 |
|
