| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [adv] be | 11237 |
|
| 2 | [verb] once be | 411 |
|
| 3 | have once be | 403 |
|
| 4 | [vb past] once be | 387 |
|
| 5 | had once [be] | 375 |
|
