| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [prep] [art] | 60 |
|
| 2 | should [prep] [art] | 60 |
|
| 3 | [vb mod] as [art] | 47 |
|
| 4 | [modal v] as [art] | 47 |
|
| 5 | should as [art] | 5 |
|
| 6 | should as [art] | 5 |
|
| 7 | should as [art] | 5 |
|
