| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv] used for [adj] purpose | 6 |
|
| 2 | [be] [adv] used for this purpose | 5 |
|
| 3 | [be] [adv] used for [det] purpose | 5 |
|
| 4 | [be] [adv] used for this purpose | 5 |
|
