| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] be once [prep] a | 6 |
|
| 2 | be [verb] once [prep] a | 7 |
|
| 3 | be [vb pp] once [prep] a | 7 |
|
| 4 | be a once [prep] a | 6 |
|
| 5 | be [art] once [prep] a | 6 |
|
| 6 | be [adj] once [prep] a | 6 |
|
| 7 | be a once [prep] a | 6 |
|
| 8 | be [art] once [prep] a | 6 |
|
| 9 | be [adj] once [prep] a | 5 |
|
| 10 | be once [verb] [prep] a | 44 |
|
| 11 | be once [vb pp] [prep] a | 42 |
|
| 12 | be once [noun] [prep] a | 7 |
|
| 13 | be once part [prep] a | 6 |
|
| 14 | be once [adv] [prep] a | 6 |
|
| 15 | be once [noun sg] [prep] a | 6 |
|
| 16 | be once part [prep] a | 6 |
|
| 17 | be once [adv] [prep] a | 6 |
|
| 18 | be once [prep] a [noun sg] | 10 |
|
| 19 | be once [prep] a [noun] | 10 |
|
