| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv] had | 4533 |
|
| 2 | [verb] once [verb] | 846 |
|
| 3 | [verb] once [vb pp] | 749 |
|
| 4 | [verb] once have | 33 |
|
