| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | so often [verb] | 449 |
|
| 2 | so [adv] did | 341 |
|
| 3 | so [adv] did | 106 |
|
| 4 | so often [vb past] | 52 |
|
| 5 | [adv] often did | 38 |
|
| 6 | so often do | 29 |
|
| 7 | [adv] often did | 21 |
|
| 8 | so often did | 13 |
|
| 9 | so often did | 13 |
|
