| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [adv] [vb pp] to [noun] | 483 |
|
| 2 | [is] [adv] [vb pp] to [noun] | 345 |
|
| 3 | [is] often [vb pp] [prep] [noun] | 219 |
|
| 4 | [is] often [vb pp] [prep] [noun] | 219 |
|
| 5 | [be] often [vb pp] to [noun] | 36 |
|
| 6 | [is] often [vb pp] to [noun] | 17 |
|
| 7 | [is] often [vb pp] to [noun] | 17 |
|
| 8 | [is] often [verb] to [noun] | 17 |
|
