| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [verb] [art] | 12345 |
|
| 2 | [modal v] work [art] | 70 |
|
| 3 | [vb mod] work [art] | 70 |
|
| 4 | could work [art] | 14 |
|
| 5 | could work [art] | 14 |
|
