| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | used for [adj] [noun] | 569 |
|
| 2 | [was/were] used for [noun] | 153 |
|
| 3 | [was/were] for [adj] [noun] | 136 |
|
| 4 | [was/were] used for [adj] | 76 |
|
