| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [prep] [art] time [prep] | 381 |
|
| 2 | [adv] [prep] [art] time [prep] | 244 |
|
| 3 | once [prep] [art] [noun] [prep] | 141 |
|
| 4 | once [prep] [art] time [prep] | 9 |
|
| 5 | once [prep] [art] time [prep] | 9 |
|
