| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] used as a [noun] | 131 |
|
| 2 | used [adv] as a [noun] | 61 |
|
| 3 | [was/were] [adv] as a [noun] | 34 |
|
| 4 | [was/were] used [adv] as a | 8 |
|
