| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [pron] could | 6733 |
|
| 2 | [vb past] [pron] could | 2700 |
|
| 3 | knew [pron] [vb mod] | 1461 |
|
| 4 | knew [pron] [modal v] | 1461 |
|
| 5 | know [pron] could | 598 |
|
| 6 | knew [pron] could | 319 |
|
