| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | often [verb] by | 813 |
|
| 2 | [adv] [vb past] by | 596 |
|
| 3 | [adv] [vb past] by | 556 |
|
| 4 | often [vb past] [prep] | 367 |
|
| 5 | often [vb past] [prep] | 367 |
|
| 6 | often [vb past] by | 20 |
|
| 7 | often [vb past] by | 20 |
|
