| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been working [adv] [prep] | 91 |
|
| 2 | we have been [adv] [prep] | 79 |
|
| 3 | we have been working [prep] | 33 |
|
| 4 | we have been working [adv] | 27 |
|
