| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be used for [adj] purpose | 129 |
|
| 2 | [be] used for [adj] purpose | 129 |
|
| 3 | was used for [adj] [noun] | 66 |
|
| 4 | was [verb] for [adj] purpose | 26 |
|
| 5 | was [vb pp] for [adj] purpose | 26 |
|
| 6 | [was/were] used for [adj] purpose | 18 |
|
| 7 | was used for [adj] purpose | 11 |
|
| 8 | was use for [adj] purpose | 11 |
|
| 9 | was used [prep] [adj] purpose | 11 |
|
| 10 | was used [prep] [adj] purpose | 11 |
|
