| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [verb] to [be] [adv] [adj] | 10 |
|
| 2 | could [verb] to be [adv] [adj] | 10 |
|
| 3 | could [vb infin] to [be] [adv] [adj] | 10 |
|
