| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [been] working [adv] hard | 12 |
|
| 2 | [vb base] been working [adv] hard | 12 |
|
| 3 | 've [been] working [adv] hard | 10 |
|
| 4 | [vb base] [been] working too hard | 6 |
|
