| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could have [been] [art] [noun] | 213 |
|
| 2 | they could have [art] [noun] | 27 |
|
| 3 | they could have [been] [art] | 6 |
|
| 4 | they could have [been] [noun] | 5 |
|
