| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] be used for [adj] | 66 |
|
| 2 | be used for a [adj] | 62 |
|
| 3 | [prep] be used for a | 12 |
|
| 4 | [prep] be for a [adj] | 10 |
|
