| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [prep] be used for [adj] | 8 |
|
| 2 | be [prep] be used for [adj] | 8 |
|
| 3 | [be] to be used for [adj] | 8 |
|
| 4 | [be] [prep] be used for [adj] | 5 |
|
