| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who had [verb] [prep] | 1840 |
|
| 2 | had once [verb] [prep] | 147 |
|
| 3 | who had once [verb] | 54 |
|
| 4 | who once [verb] [prep] | 42 |
|
