| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | as [pron] could | 1935 |
|
| 2 | [conj] [indef pn] could | 884 |
|
| 3 | as [indef pn] [modal v] | 463 |
|
| 4 | as [indef pn] [vb mod] | 463 |
|
| 5 | as [indef pn] could | 57 |
|
