| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be used for [adj] purpose | 129 |
|
| 2 | [be] used for [adj] purpose | 129 |
|
| 3 | been used for [adj] [noun] | 59 |
|
| 4 | been [vb pp] for [adj] purpose | 34 |
|
| 5 | been [verb] for [adj] purpose | 34 |
|
| 6 | been used [prep] [adj] purpose | 9 |
|
| 7 | [been] used for [adj] purpose | 9 |
|
| 8 | been used [prep] [adj] purpose | 9 |
|
| 9 | been used for [adj] purpose | 9 |
|
| 10 | been use for [adj] purpose | 9 |
|
