| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [be] [verb] as | 491 |
|
| 2 | [vb past] [be] working [prep] | 180 |
|
| 3 | [vb past] [be] working [prep] | 180 |
|
| 4 | [vb past] [be] [v-ing] as | 37 |
|
| 5 | [verb] [be] working as | 19 |
|
| 6 | [vb past] [be] working as | 9 |
|
| 7 | [vb past] [be] work as | 9 |
|
