| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] once [been] [noun] | 40 |
|
| 2 | have once [been] [noun] | 40 |
|
| 3 | [vb past] once [been] [noun] | 38 |
|
| 4 | had once [been] [noun] | 38 |
|
| 5 | once [verb] [been] [noun] | 10 |
|
| 6 | once have [been] [noun] | 10 |
|
| 7 | once have [been] [noun] | 9 |
|
| 8 | once [vb infin] [been] [noun] | 9 |
|
| 9 | once [been] [art] [noun] | 91 |
|
| 10 | once [been] [art] [noun] | 91 |
|
| 11 | once [been] a [noun] | 59 |
|
| 12 | once [been] a [noun] | 53 |
|
| 13 | once [been] the [noun] | 32 |
|
| 14 | once [been] the [noun] | 32 |
|
| 15 | once [been] [pron] [noun] | 12 |
|
| 16 | once [been] [pos pn] [noun] | 12 |
|
| 17 | once [been] [noun] [noun] | 8 |
|
| 18 | once [been] [adj] [noun] | 7 |
|
| 19 | once [been] his [noun] | 6 |
|
| 20 | once [been] [noun prp] [noun] | 6 |
|
| 21 | once [been] an [noun] | 6 |
|
| 22 | once [been] [adj] [noun] | 6 |
|
| 23 | once [been] his [noun] | 6 |
|
| 24 | once [been] [noun] [prep] | 12 |
|
| 25 | once [been] [noun] [prep] | 12 |
|
| 26 | once [been] [noun] of | 9 |
|
| 27 | once [been] [noun] of | 9 |
|
| 28 | once [been] [noun] [unc] | 8 |
|
| 29 | once [been] [noun] [noun] | 8 |
|
| 30 | once [been] [noun] ['s] | 8 |
|
