| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | once [verb] [prep] a | 219 |
|
| 2 | once [vb pp] [prep] a | 136 |
|
| 3 | once [vb past] [prep] a | 67 |
|
| 4 | once [adv] [prep] a | 64 |
|
| 5 | once [adv] [prep] a | 61 |
|
| 6 | once more [prep] a | 36 |
|
| 7 | once more [prep] a | 36 |
|
| 8 | once again [prep] a | 19 |
|
| 9 | once again [prep] a | 19 |
|
| 10 | once work [prep] a | 12 |
|
| 11 | once [noun] [prep] a | 11 |
|
| 12 | once part [prep] a | 10 |
|
| 13 | once part [prep] a | 10 |
|
| 14 | once [noun sg] [prep] a | 10 |
|
| 15 | once owned [prep] a | 8 |
|
| 16 | once own [prep] a | 8 |
|
| 17 | once use [prep] a | 8 |
|
| 18 | once [v-ing] [prep] a | 8 |
|
| 19 | once used [prep] a | 8 |
|
| 20 | once [adj] [prep] a | 7 |
|
| 21 | once say [prep] a | 7 |
|
| 22 | once worked [prep] a | 7 |
|
| 23 | once said [prep] a | 7 |
|
| 24 | once went [prep] a | 7 |
|
| 25 | once go [prep] a | 7 |
|
| 26 | once regard [prep] a | 6 |
|
| 27 | once regarded [prep] a | 6 |
|
| 28 | once ask [prep] a | 6 |
|
| 29 | once asked [prep] a | 6 |
|
| 30 | once worked [prep] a | 5 |
|
