| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] used for the [adj] | 111 |
|
| 2 | [be] used for [adj] purpose | 57 |
|
| 3 | [be] used for the purpose | 14 |
|
| 4 | used for the [adj] purpose | 11 |
|
