| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [verb] on as | 18 |
|
| 2 | [was/were] [vb pp] on as | 16 |
|
| 3 | [was/were] taken on as | 6 |
|
| 4 | [was/were] take on as | 6 |
|
