| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it should [be] [adv] | 223 |
|
| 2 | it should [be] [adv] | 205 |
|
| 3 | it [modal v] [be] so | 158 |
|
| 4 | [pron] should [be] so | 100 |
|
| 5 | it should [be] so | 18 |
|
