| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | once [pron] be [prep] | 158 |
|
| 2 | once [pron] be [prep] | 158 |
|
| 3 | [conj] [pron] be over | 136 |
|
| 4 | once [pron] be over | 12 |
|
| 5 | once [pron] [be] over | 12 |
|
