| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [vb past] [pron] | 90601 |
|
| 2 | [noun] [pron] could | 9887 |
|
| 3 | [vb past] [pron] could | 2700 |
|
| 4 | [noun] [vb past] could | 31 |
|
