| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [adv] [prep] [noun pl] | 97 |
|
| 2 | have been working [adv] [prep] | 91 |
|
| 3 | have been working [prep] [noun pl] | 25 |
|
| 4 | been working [adv] [prep] [noun pl] | 10 |
|
