| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have been working at | 21 |
|
| 2 | [pers pn] have been working at | 19 |
|
| 3 | [noun] have been working at | 15 |
|
| 4 | [noun prp] have been working at | 12 |
|
| 5 | i have been working at | 8 |
|
| 6 | i have been working at | 8 |
|
| 7 | have been working [adv] at | 8 |
|
| 8 | have been working [adv] at | 8 |
|
| 9 | have been working at [art] | 14 |
|
| 10 | have been working at [art] | 14 |
|
| 11 | have been working at the | 13 |
|
| 12 | have been working at the | 13 |
|
| 13 | have been working at [noun] | 12 |
|
| 14 | have been working at [noun prp] | 7 |
|
| 15 | have been working at [adj] | 5 |
|
