| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] used [prep] [adj] | 2458 |
|
| 2 | used [prep] [adj] purposes | 91 |
|
| 3 | [be] [prep] [adj] purposes | 29 |
|
| 4 | [be] used [prep] purposes | 6 |
|
