| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [adv] | 17795 |
|
| 2 | [modal v] only | 10523 |
|
| 3 | [vb mod] only | 10523 |
|
| 4 | should [adv] | 7042 |
|
| 5 | should only | 408 |
|
| 6 | should only | 408 |
|
