| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | once [vb past] a [noun sg] of | 20 |
|
| 2 | once [vb past] a [noun sg] in | 13 |
|
| 3 | once had a [noun sg] [prep] | 10 |
|
| 4 | once [vb past] a [noun sg] on | 8 |
|
| 5 | once [vb past] a [noun sg] to | 7 |
|
| 6 | once [vb past] a [noun sg] for | 5 |
|
| 7 | once saw a [noun sg] [prep] | 5 |
|
| 8 | once [vb past] a [noun sg] with | 5 |
|
