| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [to-vb] [prep] [noun] | 3809 |
|
| 2 | often [vb past] [prep] [noun] | 93 |
|
| 3 | often [vb past] [to-vb] [prep] | 22 |
|
| 4 | often [to-vb] [prep] [noun] | 7 |
|
| 5 | often [vb past] [to-vb] [noun] | 6 |
|
