| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] a | 37973 |
|
| 2 | should [verb] [art] | 6890 |
|
| 3 | should [verb] [art] | 6890 |
|
| 4 | should [verb] a | 2735 |
|
