| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [vb mod] [be] used for | 6 |
|
| 2 | [verb] [vb mod] be used for | 6 |
|
| 3 | [verb] [vb mod] be used for | 6 |
|
| 4 | [verb] [vb mod] [be] used for | 6 |
|
| 5 | [vb pp] [vb mod] [be] used for | 5 |
|
