| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [verb] to | 892 |
|
| 2 | [vb mod] be put to | 126 |
|
| 3 | [modal v] be put to | 126 |
|
| 4 | could be put [prep] | 77 |
|
| 5 | could be put [prep] | 77 |
|
| 6 | could [be] put to | 21 |
|
| 7 | could be put to | 21 |
|
| 8 | could be put to | 21 |
|
