| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [pron] 's [be] | 1010 |
|
| 2 | [subord] [pron] 's [be] | 457 |
|
| 3 | once [pron] [verb] [be] | 245 |
|
| 4 | once [pron] have [be] | 244 |
|
| 5 | once [pron] [vb -s] [be] | 100 |
|
| 6 | once [pron] 's [be] | 14 |
|
