| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been working [prep] [art] | 35 |
|
| 2 | have been working [prep] the | 23 |
|
| 3 | have been working on [art] | 16 |
|
| 4 | have been working on [art] | 16 |
|
| 5 | have been working [prep] a | 11 |
|
| 6 | have been working for [art] | 5 |
|
| 7 | have been working for [art] | 5 |
|
