| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | so that they can be [vb pp] | 81 |
|
| 2 | so that they can be [vb pp] | 81 |
|
| 3 | so that they can be [vb pp] | 81 |
|
| 4 | so that they can be used | 7 |
|
