| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | once [prep] a [noun sg] [pron] | 64 |
|
| 2 | [adv] [prep] a [noun sg] there | 31 |
|
| 3 | once [prep] [art] [noun sg] there | 21 |
|
| 4 | once [prep] [art] [noun sg] there | 21 |
|
| 5 | once [prep] a [noun sg] there | 19 |
|
| 6 | once [prep] a [noun sg] there | 19 |
|
| 7 | once [prep] a [noun] there | 19 |
|
