| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] be | 41667 |
|
| 2 | it [modal v] be | 41667 |
|
| 3 | [pron] should be | 11459 |
|
| 4 | [pers pn] should be | 8488 |
|
| 5 | it should be | 3933 |
|
| 6 | it should [be] | 3933 |
|
| 7 | it should be | 3933 |
|
