| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could have [adj] [noun] | 146 |
|
| 2 | [vb past] [pron] have [adj] [noun] | 143 |
|
| 3 | [vb past] [pron] could have [adj] | 14 |
|
| 4 | [vb past] [pron] could have [noun] | 6 |
|
