| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [modal v] [pron] [verb] | 1829 |
|
| 2 | [conj] [vb mod] [pron] [verb] | 1829 |
|
| 3 | [conj] could [pron] [verb] | 220 |
|
