| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [be] [verb] | 23359 |
|
| 2 | [be] [verb] [art] | 8473 |
|
| 3 | should [verb] [art] | 6890 |
|
| 4 | should [be] [art] | 2397 |
|
