| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | can be [verb] [adj] from | 15 |
|
| 2 | can be [vb pp] [adj] from | 15 |
|
| 3 | can be obtained [adj] from | 6 |
|
| 4 | can be [verb] free from | 6 |
|
| 5 | can be obtain [adj] from | 6 |
|
