| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] | 100857 |
|
| 2 | it [vb mod] | 100857 |
|
| 3 | [pron] should | 42729 |
|
| 4 | [pers pn] should | 36698 |
|
| 5 | it should | 7249 |
|
| 6 | it should | 7249 |
|
