| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [prep] [adj] [noun] | 991 |
|
| 2 | [vb infin] been [prep] [adj] [noun] | 158 |
|
| 3 | could [vb infin] been [adj] [noun] | 57 |
|
| 4 | could [vb infin] been [prep] [adj] | 30 |
|
| 5 | could [vb infin] been [prep] [noun] | 23 |
|
