| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [noun] [vb past] | 53690 |
|
| 2 | [pron] [noun] could | 2399 |
|
| 3 | [pron] [vb past] could | 123 |
|
| 4 | [noun] [vb past] could | 31 |
|
