| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] at [noun prp] | 321 |
|
| 2 | been working [prep] [noun prp] | 60 |
|
| 3 | been working [prep] [noun prp] | 60 |
|
| 4 | been [v-ing] at [noun prp] | 50 |
|
| 5 | be working at [noun prp] | 33 |
|
| 6 | [be] working at [noun prp] | 33 |
|
| 7 | been working at [noun] | 16 |
|
| 8 | been work at [noun prp] | 10 |
|
| 9 | [been] working at [noun prp] | 8 |
|
| 10 | been working at [noun prp] | 8 |
|
