| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that once [prep] [art] [noun sg] | 11 |
|
| 2 | [that] once [prep] [art] [noun sg] | 11 |
|
| 3 | [that] once [prep] a [noun sg] | 7 |
|
| 4 | [that] once [prep] a [noun sg] | 7 |
|
| 5 | [that] once in [art] [noun sg] | 5 |
|
