| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it should be [vb pp] that | 831 |
|
| 2 | it should be [verb] that | 831 |
|
| 3 | it [modal v] be understood that | 18 |
|
| 4 | it [vb mod] be understood that | 18 |
|
| 5 | it should be understand that | 6 |
|
| 6 | it should be understood [that] | 6 |
|
| 7 | it should [be] understood that | 6 |
|
| 8 | it should be understood that | 6 |
|
| 9 | it should be understood that | 6 |
|
| 10 | [pron] should be understood that | 6 |
|
| 11 | it should be understood [conj] | 6 |
|
