| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] once that [pron] | 88 |
|
| 2 | [prep] [adv] that they | 18 |
|
| 3 | [prep] [adv] that they | 18 |
|
| 4 | [prep] once [conj] they | 17 |
|
| 5 | [prep] once that they | 10 |
|
