| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] have been work [prep] a | 7 |
|
| 2 | [pron] have been work [prep] a | 6 |
|
| 3 | [pers pn] have been work [prep] a | 6 |
|
| 4 | have been work [prep] a [noun] | 8 |
|
| 5 | have been work [prep] a [noun sg] | 8 |
|
| 6 | have been work [prep] a [adj] | 5 |
|
