| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [modal v] [verb] [pron] [prep] [art] | 69 |
|
| 2 | [conj] could [verb] [pron] [prep] [art] | 21 |
|
| 3 | [coord] could [verb] [pron] [prep] [art] | 13 |
|
