| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could | 87089 |
|
| 2 | one [modal v] | 10008 |
|
| 3 | one [vb mod] | 10008 |
|
| 4 | [indef pn] could | 3008 |
|
| 5 | one could | 1510 |
|
| 6 | one could | 1510 |
|
