| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] often [verb] [prep] | 1003 |
|
| 2 | [is] often [vb pp] [prep] | 992 |
|
| 3 | [is] [adv] found [prep] | 190 |
|
| 4 | [be] often found [prep] | 60 |
|
| 5 | [is] often found [prep] | 18 |
|
| 6 | [is] often find [prep] | 18 |
|
