| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] [prep] a | 1003 |
|
| 2 | have been work [prep] a | 72 |
|
| 3 | [verb] been work [prep] a | 72 |
|
| 4 | have been work [prep] [art] | 36 |
|
| 5 | [vb base] been work [prep] a | 21 |
|
| 6 | have been work [prep] a | 13 |
|
| 7 | have [be] work [prep] a | 13 |
|
| 8 | have [been] work [prep] a | 13 |
|
| 9 | have be work [prep] a | 13 |
|
