| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [adv] [been] working [adv] | 11 |
|
| 2 | [vb base] [adv] been working [adv] | 11 |
|
| 3 | 've [adv] [been] working [adv] | 6 |
|
| 4 | have [adv] [been] working [adv] | 5 |
|
