| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it should [not/n't] [be] [verb] | 253 |
|
| 2 | it should [not/n't] [be] [vb pp] | 247 |
|
| 3 | it [vb mod] [not/n't] [be] assumed | 73 |
|
| 4 | it [modal v] [not/n't] [be] assumed | 73 |
|
| 5 | it should [adv] [be] assumed | 33 |
|
| 6 | it should [not/n't] [be] assume | 33 |
|
| 7 | [pron] should [not/n't] [be] assumed | 33 |
|
| 8 | it should [not/n't] [be] assumed | 33 |
|
