| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [verb] [been] [verb] [prep] [det] | 43 |
|
| 2 | could [verb] [been] [verb] [prep] [det] | 43 |
|
| 3 | could [verb] [been] [verb] by [det] | 11 |
|
| 4 | could [verb] [been] [verb] by [det] | 11 |
|
| 5 | could [verb] [been] [verb] at [det] | 9 |
|
| 6 | could [verb] [been] [verb] at [det] | 9 |
|
| 7 | could [verb] [been] [verb] in [det] | 6 |
|
| 8 | could [verb] [been] [verb] in [det] | 6 |
|
| 9 | could [verb] [been] [verb] for [det] | 5 |
|
| 10 | could [verb] [been] [verb] for [det] | 5 |
|
| 11 | could [verb] [been] [verb] [det] [noun] | 7 |
|
| 12 | could [verb] [been] [verb] [det] time | 5 |
|
