| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [adv] [prep] | 262 |
|
| 2 | been working [adv] [prep] | 99 |
|
| 3 | have been working [prep] | 88 |
|
| 4 | have been working [adv] | 50 |
|
