| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv] [subord] [to-vb] | 511 |
|
| 2 | should [verb] [adv] [subord] | 159 |
|
| 3 | should [verb] [adv] [to-vb] | 98 |
|
