| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [verb] by [adj] | 163 |
|
| 2 | could be [vb pp] by [adj] | 163 |
|
| 3 | could be used [prep] [adj] | 47 |
|
| 4 | could be used [prep] [adj] | 47 |
|
| 5 | [modal v] be used by [adj] | 22 |
|
| 6 | [vb mod] be used by [adj] | 22 |
|
| 7 | could be used by [adj] | 13 |
|
| 8 | could be used by [adj] | 8 |
|
| 9 | could [be] used by [adj] | 8 |
|
| 10 | could be used by [adj] | 8 |
|
| 11 | could [be] used by [adj] | 8 |
|
| 12 | could be use by [adj] | 8 |
|
| 13 | could be used by [adj] | 8 |
|
