| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [verb] [be] [adj] | 407 |
|
| 2 | [verb] of [be] [adj] | 109 |
|
| 3 | could [verb] of [adj] | 54 |
|
| 4 | could [verb] of [be] | 51 |
|
| 5 | could of [be] [adj] | 9 |
|
