| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] often [vb pp] to [noun] | 17 |
|
| 2 | is often [verb] to [noun] | 16 |
|
| 3 | [is] often [verb] to [noun sg] | 7 |
|
| 4 | [is] often [verb] to [noun prp] | 6 |
|
