| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be used for | 710 |
|
| 2 | [verb] be used for | 203 |
|
| 3 | [verb] [vb mod] be used | 96 |
|
| 4 | [verb] [vb mod] be for | 17 |
|
