| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [verb] [been] [verb] at any | 5 |
|
| 2 | [vb mod] [verb] [been] [verb] at any | 5 |
|
| 3 | [modal v] [verb] [been] [verb] at any | 5 |
|
| 4 | could [verb] [been] [verb] at any | 5 |
|
| 5 | [verb] [been] [verb] at any [noun] | 10 |
|
| 6 | [verb] [been] [verb] at any [noun sg] | 10 |
|
| 7 | [verb] [been] [verb] at any time | 5 |
|
| 8 | [verb] [been] [verb] at any time | 5 |
|
