| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [verb] for this | 11 |
|
| 2 | could be [verb] for this | 11 |
|
| 3 | could be [verb] for this | 11 |
|
| 4 | could be [vb pp] for this | 11 |
|
| 5 | could be [verb] for this | 11 |
|
| 6 | could be use for this | 7 |
|
| 7 | could be used for this | 7 |
|
