| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] at [art] | 796 |
|
| 2 | have been working [prep] [art] | 179 |
|
| 3 | have been [v-ing] at [art] | 172 |
|
| 4 | [verb] been working at [art] | 14 |
|
| 5 | have been work at [art] | 14 |
|
| 6 | have be working at [art] | 14 |
|
| 7 | have [be] working at [art] | 14 |
|
| 8 | have [been] working at [art] | 14 |
|
| 9 | have been working at [art] | 14 |
|
