| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [that] once [prep] [art] [noun sg] | 7 |
|
| 2 | [that] once [verb] [prep] [art] [noun sg] | 8 |
|
| 3 | [that] once [vb past] [prep] [art] [noun sg] | 8 |
|
| 4 | [that] once [prep] [art] [noun sg] [pron] | 5 |
|
