| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been working on [det] [noun] | 14 |
|
| 2 | have [been] working on [det] [noun] | 14 |
|
| 3 | [verb] [been] working on [det] [noun sg] | 10 |
|
| 4 | [vb base] [been] working on [det] [noun] | 8 |
|
| 5 | [verb] [been] working on this [noun] | 7 |
|
| 6 | have [been] working on [det] [noun] | 5 |
|
