| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pos pn] [noun] [vb mod] | 19010 |
|
| 2 | [pos pn] [noun] [modal v] | 19010 |
|
| 3 | [pron] [noun] could | 2399 |
|
| 4 | [pos pn] [noun] could | 1642 |
|
