| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [vb pp] at | 245 |
|
| 2 | could be seen at | 11 |
|
| 3 | could be put at | 8 |
|
| 4 | could be made at | 7 |
|
| 5 | could be achieved at | 6 |
|
| 6 | could be looked at | 6 |
|
| 7 | could be held at | 5 |
|
| 8 | could be kept at | 5 |
|
| 9 | could be done at | 5 |
|
| 10 | could be used at | 5 |
|
