| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [verb] [been] [verb] [prep] [adj] | 102 |
|
| 2 | could [verb] [been] [verb] [prep] [adj] | 102 |
|
| 3 | [modal v] [verb] [been] [verb] for [adj] | 54 |
|
| 4 | [vb mod] [verb] [been] [verb] for [adj] | 54 |
|
| 5 | could [verb] [be] [verb] for [adj] | 10 |
|
| 6 | could [verb] [been] [verb] for [adj] | 8 |
|
| 7 | could [verb] [been] [verb] for [adj] | 8 |
|
