| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] been [v-ing] as | 20 |
|
| 2 | has be [v-ing] as | 15 |
|
| 3 | [vb -s] be working as | 7 |
|
| 4 | [vb -s] be acting as | 6 |
|
| 5 | 's be [v-ing] as | 5 |
|
