| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [verb] | 18437 |
|
| 2 | it is [vb pp] | 14689 |
|
| 3 | it be assumed | 419 |
|
| 4 | it [be] assumed | 419 |
|
| 5 | [pron] is assumed | 293 |
|
| 6 | it [is] assumed | 260 |
|
| 7 | it is assume | 260 |
|
