| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] only once [art] [noun sg] | 23 |
|
| 2 | [verb] only once [art] [noun sg] | 23 |
|
| 3 | [verb] only once a [noun sg] | 22 |
|
| 4 | [verb] only once a [noun sg] | 22 |
|
| 5 | [vb pp] only once [art] [noun sg] | 11 |
|
| 6 | [verb] only once [art] year | 11 |
|
| 7 | [verb] only once [art] week | 7 |
|
| 8 | [vb base] only once [art] [noun sg] | 5 |
|
