| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he have so often [verb] | 12 |
|
| 2 | he [vb past] so often [verb] | 12 |
|
| 3 | he [verb] so often [vb pp] | 12 |
|
| 4 | he had so often [verb] | 10 |
|
