| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [ex0] [modal v] [verb] been [det] [noun] | 92 |
|
| 2 | [pron] could [verb] been [det] [noun] | 23 |
|
| 3 | [ex0] could [verb] been [adj] [noun] | 17 |
|
| 4 | [ex0] could [verb] [be] [det] [noun] | 10 |
|
| 5 | [ex0] could [verb] be [det] [noun] | 10 |
|
| 6 | [ex0] could [verb] [been] [det] [noun] | 10 |
|
