| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [pron] could [verb] [pron] | 1771 |
|
| 2 | [subord] [pron] [modal v] [verb] it | 1683 |
|
| 3 | [conj] [pron] could [verb] it | 689 |
|
