| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been in a [noun] | 244 |
|
| 2 | working in a [noun] | 162 |
|
| 3 | been working in [noun] | 31 |
|
| 4 | been working in a | 7 |
|
| 5 | been working a [noun] | 5 |
|
