| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is usually [verb] | 151 |
|
| 2 | it is usually [vb pp] | 151 |
|
| 3 | it is [adv] assumed | 127 |
|
| 4 | it is [adv] assumed | 124 |
|
| 5 | it be usually assumed | 10 |
|
| 6 | it is usually assume | 10 |
|
| 7 | it [is] usually assumed | 10 |
|
| 8 | it [be] usually assumed | 10 |
|
| 9 | [pron] is usually assumed | 10 |
|
| 10 | it is usually assumed | 10 |
|
