| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [conj] it [verb] | 763 |
|
| 2 | but [subord] it [verb] | 673 |
|
| 3 | but once [pron] [verb] | 180 |
|
| 4 | [conj] once it [verb] | 32 |
|
| 5 | [coord] once it [verb] | 23 |
|
| 6 | but once it [verb] | 13 |
|
| 7 | but once it [verb] | 13 |
|
