| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [be] [verb] for [adj] | 53 |
|
| 2 | could [be] [vb pp] for [adj] | 53 |
|
| 3 | could be [verb] for [adj] | 53 |
|
| 4 | could [be] used for [adj] | 23 |
|
| 5 | could [be] use for [adj] | 23 |
|
| 6 | could [be] [verb] for other | 9 |
|
