| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] [verb] [adv] | 3408 |
|
| 2 | it [modal v] [verb] [adv] | 3408 |
|
| 3 | [pron] should [verb] [adv] | 2030 |
|
| 4 | it should [verb] [adv] | 192 |
|
