| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [adv] [prep] [art] [noun sg] | 2939 |
|
| 2 | once [adv] [prep] [art] [noun sg] | 203 |
|
| 3 | [vb base] once [adv] [prep] [art] | 13 |
|
| 4 | [vb base] once [prep] [art] [noun sg] | 7 |
|
