| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | once you have [verb] | 725 |
|
| 2 | once you have [vb pp] | 722 |
|
| 3 | [conj] you have mastered | 22 |
|
| 4 | [subord] you have mastered | 20 |
|
| 5 | once [pron] have mastered | 16 |
|
| 6 | once you [verb] mastered | 11 |
|
| 7 | once you have master | 11 |
|
| 8 | once you have mastered | 11 |
|
