| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] [pron] [art] | 4585 |
|
| 2 | [vb mod] [verb] [pron] [art] | 4585 |
|
| 3 | could [verb] [pron] [art] | 433 |
|
| 4 | could [verb] [pron] [art] | 433 |
|
