| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it should be [vb pp] that | 831 |
|
| 2 | it should not be [vb pp] | 247 |
|
| 3 | should not be [vb pp] that | 82 |
|
| 4 | it not be [vb pp] that | 7 |
|
