| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it should be [vb pp] that | 831 |
|
| 2 | should be [vb pp] that [det] | 133 |
|
| 3 | it should be [vb pp] [det] | 24 |
|
| 4 | it be [vb pp] that [det] | 14 |
|
