| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | can be used for [adj] purpose | 12 |
|
| 2 | can [be] used for [adj] purpose | 12 |
|
| 3 | can [be] used for [adj] purposes | 7 |
|
| 4 | can [be] used for [adj] purpose | 6 |
|
| 5 | can [be] used for [det] purpose | 6 |
|
| 6 | can [be] used for [adj] purpose | 5 |
|
