| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] often [verb] | 437 |
|
| 2 | it [be] often [vb pp] | 434 |
|
| 3 | it [be] [adv] found | 101 |
|
| 4 | it [be] [adv] found | 91 |
|
| 5 | [pron] [be] often found | 21 |
|
| 6 | it [be] often found | 9 |
|
| 7 | it [be] often find | 9 |
|
