| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] often [verb] [conj] | 168 |
|
| 2 | it [is] often [vb pp] [conj] | 168 |
|
| 3 | it [is] [adv] assumed [conj] | 112 |
|
| 4 | it [is] [adv] assumed [conj] | 110 |
|
| 5 | it [be] often assumed [conj] | 27 |
|
| 6 | it [is] often assume [conj] | 25 |
|
| 7 | it [is] often assumed [conj] | 25 |
|
| 8 | [pron] [is] often assumed [conj] | 25 |
|
