| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [prep] [art] [noun sg] | 6194 |
|
| 2 | once [prep] [art] [noun sg] | 813 |
|
| 3 | [prep] once [art] [noun sg] | 164 |
|
| 4 | [prep] once [prep] [art] | 158 |
|
| 5 | [prep] once [prep] [noun sg] | 31 |
|
