| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | often [vb past] [to-vb] [prep] [noun] | 12 |
|
| 2 | often [vb past] [verb] [prep] [noun pl] | 7 |
|
| 3 | often had [verb] [prep] [noun] | 7 |
|
