| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be used for [adj] purpose | 129 |
|
| 2 | [be] used for [adj] purpose | 129 |
|
| 3 | is used for [adj] [noun] | 63 |
|
| 4 | is [verb] for [adj] purpose | 28 |
|
| 5 | is [vb pp] for [adj] purpose | 27 |
|
| 6 | is use for [adj] purpose | 11 |
|
| 7 | [is] used for [adj] purpose | 11 |
|
| 8 | is used [prep] [adj] purpose | 11 |
|
| 9 | is used for [adj] purpose | 11 |
|
| 10 | is used [prep] [adj] purpose | 11 |
|
