| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he had once [verb] | 104 |
|
| 2 | he had once [verb] | 104 |
|
| 3 | he had once [vb pp] | 103 |
|
| 4 | he had once say | 7 |
|
| 5 | he had once said | 7 |
|
| 6 | he had once see | 5 |
|
| 7 | he had once seen | 5 |
|
| 8 | he had once told | 5 |
|
| 9 | he had once tell | 5 |
|
| 10 | he had once known | 5 |
|
| 11 | he had once know | 5 |
|
